Home / 102,403.22-141,250.50-67,947.20

Finding the Fourth Proportional to 102,403.22, 141,250.50 and 67,947.20

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Solution

The fourth proportional to 102,403.22, 141,250.50 and 67,947.20 is: 93,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,403.22 : 141,250.50 = 67,947.20 : x
  2. Step 2: Convert to fraction form
    102,403.22/141,250.50 = 67,947.20/x
  3. Step 3: Cross multiply
    102,403.22x = 141,250.50 × 67,947.20
  4. Step 4: Simplify right side
    102,403.22x = 9,597,575,973.60
  5. Step 5: Solve for x
    x = 9,597,575,973.60/102,403.22
  6. Step 6: Final answer
    x = 93,723.38

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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.