Home / 172,374,140.70-258,561,211.05-150,850,780.20

Finding the Fourth Proportional to 172,374,140.70, 258,561,211.05 and 150,850,780.20

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Solution

The fourth proportional to 172,374,140.70, 258,561,211.05 and 150,850,780.20 is: 226,276,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,374,140.70 : 258,561,211.05 = 150,850,780.20 : x
  2. Step 2: Convert to fraction form
    172,374,140.70/258,561,211.05 = 150,850,780.20/x
  3. Step 3: Cross multiply
    172,374,140.70x = 258,561,211.05 × 150,850,780.20
  4. Step 4: Simplify right side
    172,374,140.70x = 39,004,160,416,349,360
  5. Step 5: Solve for x
    x = 39,004,160,416,349,360/172,374,140.70
  6. Step 6: Final answer
    x = 226,276,170.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.