Home / 102,618.80-141,646.20-60,194.48

Finding the Fourth Proportional to 102,618.80, 141,646.20 and 60,194.48

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Solution

The fourth proportional to 102,618.80, 141,646.20 and 60,194.48 is: 83,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,618.80 : 141,646.20 = 60,194.48 : x
  2. Step 2: Convert to fraction form
    102,618.80/141,646.20 = 60,194.48/x
  3. Step 3: Cross multiply
    102,618.80x = 141,646.20 × 60,194.48
  4. Step 4: Simplify right side
    102,618.80x = 8,526,319,352.98
  5. Step 5: Solve for x
    x = 8,526,319,352.98/102,618.80
  6. Step 6: Final answer
    x = 83,087.30

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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.