Home / 113,200.91-156,220.26-62,215.10

Finding the Fourth Proportional to 113,200.91, 156,220.26 and 62,215.10

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Solution

The fourth proportional to 113,200.91, 156,220.26 and 62,215.10 is: 85,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,200.91 : 156,220.26 = 62,215.10 : x
  2. Step 2: Convert to fraction form
    113,200.91/156,220.26 = 62,215.10/x
  3. Step 3: Cross multiply
    113,200.91x = 156,220.26 × 62,215.10
  4. Step 4: Simplify right side
    113,200.91x = 9,719,259,097.93
  5. Step 5: Solve for x
    x = 9,719,259,097.93/113,200.91
  6. Step 6: Final answer
    x = 85,858.49

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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.