Home / 113,513.28-156,626.40-63,212.16

Finding the Fourth Proportional to 113,513.28, 156,626.40 and 63,212.16

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Solution

The fourth proportional to 113,513.28, 156,626.40 and 63,212.16 is: 87,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513.28 : 156,626.40 = 63,212.16 : x
  2. Step 2: Convert to fraction form
    113,513.28/156,626.40 = 63,212.16/x
  3. Step 3: Cross multiply
    113,513.28x = 156,626.40 × 63,212.16
  4. Step 4: Simplify right side
    113,513.28x = 9,900,693,057.02
  5. Step 5: Solve for x
    x = 9,900,693,057.02/113,513.28
  6. Step 6: Final answer
    x = 87,220.57

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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.