Home / 132,470.16-198,646.92-70,126.08

Finding the Fourth Proportional to 132,470.16, 198,646.92 and 70,126.08

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Solution

The fourth proportional to 132,470.16, 198,646.92 and 70,126.08 is: 105,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,470.16 : 198,646.92 = 70,126.08 : x
  2. Step 2: Convert to fraction form
    132,470.16/198,646.92 = 70,126.08/x
  3. Step 3: Cross multiply
    132,470.16x = 198,646.92 × 70,126.08
  4. Step 4: Simplify right side
    132,470.16x = 13,930,329,803.67
  5. Step 5: Solve for x
    x = 13,930,329,803.67/132,470.16
  6. Step 6: Final answer
    x = 105,158.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.