Home / 108,535.06-149,778.84-63,244.12

Finding the Fourth Proportional to 108,535.06, 149,778.84 and 63,244.12

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Solution

The fourth proportional to 108,535.06, 149,778.84 and 63,244.12 is: 87,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,535.06 : 149,778.84 = 63,244.12 : x
  2. Step 2: Convert to fraction form
    108,535.06/149,778.84 = 63,244.12/x
  3. Step 3: Cross multiply
    108,535.06x = 149,778.84 × 63,244.12
  4. Step 4: Simplify right side
    108,535.06x = 9,472,630,930.42
  5. Step 5: Solve for x
    x = 9,472,630,930.42/108,535.06
  6. Step 6: Final answer
    x = 87,277.15

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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.