Home / 132,724.33-198,966.16-66,184.86

Finding the Fourth Proportional to 132,724.33, 198,966.16 and 66,184.86

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Solution

The fourth proportional to 132,724.33, 198,966.16 and 66,184.86 is: 99,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,724.33 : 198,966.16 = 66,184.86 : x
  2. Step 2: Convert to fraction form
    132,724.33/198,966.16 = 66,184.86/x
  3. Step 3: Cross multiply
    132,724.33x = 198,966.16 × 66,184.86
  4. Step 4: Simplify right side
    132,724.33x = 13,168,547,444.34
  5. Step 5: Solve for x
    x = 13,168,547,444.34/132,724.33
  6. Step 6: Final answer
    x = 99,217.28

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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.