Home / 104,132.16-143,702.46-56,385.54

Finding the Fourth Proportional to 104,132.16, 143,702.46 and 56,385.54

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Solution

The fourth proportional to 104,132.16, 143,702.46 and 56,385.54 is: 77,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,132.16 : 143,702.46 = 56,385.54 : x
  2. Step 2: Convert to fraction form
    104,132.16/143,702.46 = 56,385.54/x
  3. Step 3: Cross multiply
    104,132.16x = 143,702.46 × 56,385.54
  4. Step 4: Simplify right side
    104,132.16x = 8,102,740,806.43
  5. Step 5: Solve for x
    x = 8,102,740,806.43/104,132.16
  6. Step 6: Final answer
    x = 77,812.09

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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.