Home / 108,626.75-149,904.56-63,331.55

Finding the Fourth Proportional to 108,626.75, 149,904.56 and 63,331.55

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Solution

The fourth proportional to 108,626.75, 149,904.56 and 63,331.55 is: 87,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,626.75 : 149,904.56 = 63,331.55 : x
  2. Step 2: Convert to fraction form
    108,626.75/149,904.56 = 63,331.55/x
  3. Step 3: Cross multiply
    108,626.75x = 149,904.56 × 63,331.55
  4. Step 4: Simplify right side
    108,626.75x = 9,493,688,136.87
  5. Step 5: Solve for x
    x = 9,493,688,136.87/108,626.75
  6. Step 6: Final answer
    x = 87,397.33

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Double scale
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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.