Home / 132,476.16-198,655.92-70,132.08

Finding the Fourth Proportional to 132,476.16, 198,655.92 and 70,132.08

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Solution

The fourth proportional to 132,476.16, 198,655.92 and 70,132.08 is: 105,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,476.16 : 198,655.92 = 70,132.08 : x
  2. Step 2: Convert to fraction form
    132,476.16/198,655.92 = 70,132.08/x
  3. Step 3: Cross multiply
    132,476.16x = 198,655.92 × 70,132.08
  4. Step 4: Simplify right side
    132,476.16x = 13,932,152,873.91
  5. Step 5: Solve for x
    x = 13,932,152,873.91/132,476.16
  6. Step 6: Final answer
    x = 105,167.25

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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.