Home / 113,487.50-156,613.84-63,187.58

Finding the Fourth Proportional to 113,487.50, 156,613.84 and 63,187.58

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Solution

The fourth proportional to 113,487.50, 156,613.84 and 63,187.58 is: 87,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,487.50 : 156,613.84 = 63,187.58 : x
  2. Step 2: Convert to fraction form
    113,487.50/156,613.84 = 63,187.58/x
  3. Step 3: Cross multiply
    113,487.50x = 156,613.84 × 63,187.58
  4. Step 4: Simplify right side
    113,487.50x = 9,896,049,544.11
  5. Step 5: Solve for x
    x = 9,896,049,544.11/113,487.50
  6. Step 6: Final answer
    x = 87,199.47

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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.