Home / 132,421.10-198,631.65-94,901.90

Finding the Fourth Proportional to 132,421.10, 198,631.65 and 94,901.90

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Solution

The fourth proportional to 132,421.10, 198,631.65 and 94,901.90 is: 142,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,421.10 : 198,631.65 = 94,901.90 : x
  2. Step 2: Convert to fraction form
    132,421.10/198,631.65 = 94,901.90/x
  3. Step 3: Cross multiply
    132,421.10x = 198,631.65 × 94,901.90
  4. Step 4: Simplify right side
    132,421.10x = 18,850,520,985.14
  5. Step 5: Solve for x
    x = 18,850,520,985.14/132,421.10
  6. Step 6: Final answer
    x = 142,352.85

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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.