Home / 104,132.22-143,702.25-56,385.71

Finding the Fourth Proportional to 104,132.22, 143,702.25 and 56,385.71

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Solution

The fourth proportional to 104,132.22, 143,702.25 and 56,385.71 is: 77,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,132.22 : 143,702.25 = 56,385.71 : x
  2. Step 2: Convert to fraction form
    104,132.22/143,702.25 = 56,385.71/x
  3. Step 3: Cross multiply
    104,132.22x = 143,702.25 × 56,385.71
  4. Step 4: Simplify right side
    104,132.22x = 8,102,752,676.34
  5. Step 5: Solve for x
    x = 8,102,752,676.34/104,132.22
  6. Step 6: Final answer
    x = 77,812.16

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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.