Home / 103,320.92-142,546.20-67,531.58

Finding the Fourth Proportional to 103,320.92, 142,546.20 and 67,531.58

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Solution

The fourth proportional to 103,320.92, 142,546.20 and 67,531.58 is: 93,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,320.92 : 142,546.20 = 67,531.58 : x
  2. Step 2: Convert to fraction form
    103,320.92/142,546.20 = 67,531.58/x
  3. Step 3: Cross multiply
    103,320.92x = 142,546.20 × 67,531.58
  4. Step 4: Simplify right side
    103,320.92x = 9,626,370,109.00
  5. Step 5: Solve for x
    x = 9,626,370,109.00/103,320.92
  6. Step 6: Final answer
    x = 93,169.61

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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.