Home / 251,949.90-347,677.74-156,454.56

Finding the Fourth Proportional to 251,949.90, 347,677.74 and 156,454.56

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Solution

The fourth proportional to 251,949.90, 347,677.74 and 156,454.56 is: 215,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,949.90 : 347,677.74 = 156,454.56 : x
  2. Step 2: Convert to fraction form
    251,949.90/347,677.74 = 156,454.56/x
  3. Step 3: Cross multiply
    251,949.90x = 347,677.74 × 156,454.56
  4. Step 4: Simplify right side
    251,949.90x = 54,395,767,833.49
  5. Step 5: Solve for x
    x = 54,395,767,833.49/251,949.90
  6. Step 6: Final answer
    x = 215,899.14

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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.