Home / 151,714.56-209,375.65-87,204.44

Finding the Fourth Proportional to 151,714.56, 209,375.65 and 87,204.44

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Solution

The fourth proportional to 151,714.56, 209,375.65 and 87,204.44 is: 120,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714.56 : 209,375.65 = 87,204.44 : x
  2. Step 2: Convert to fraction form
    151,714.56/209,375.65 = 87,204.44/x
  3. Step 3: Cross multiply
    151,714.56x = 209,375.65 × 87,204.44
  4. Step 4: Simplify right side
    151,714.56x = 18,258,486,307.89
  5. Step 5: Solve for x
    x = 18,258,486,307.89/151,714.56
  6. Step 6: Final answer
    x = 120,347.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.