Home / 113,471.12-156,587.10-63,170.12

Finding the Fourth Proportional to 113,471.12, 156,587.10 and 63,170.12

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Solution

The fourth proportional to 113,471.12, 156,587.10 and 63,170.12 is: 87,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,471.12 : 156,587.10 = 63,170.12 : x
  2. Step 2: Convert to fraction form
    113,471.12/156,587.10 = 63,170.12/x
  3. Step 3: Cross multiply
    113,471.12x = 156,587.10 × 63,170.12
  4. Step 4: Simplify right side
    113,471.12x = 9,891,625,897.45
  5. Step 5: Solve for x
    x = 9,891,625,897.45/113,471.12
  6. Step 6: Final answer
    x = 87,173.07

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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.