Home / 132,565.55-198,730.44-48,309.86

Finding the Fourth Proportional to 132,565.55, 198,730.44 and 48,309.86

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Solution

The fourth proportional to 132,565.55, 198,730.44 and 48,309.86 is: 72,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.55 : 198,730.44 = 48,309.86 : x
  2. Step 2: Convert to fraction form
    132,565.55/198,730.44 = 48,309.86/x
  3. Step 3: Cross multiply
    132,565.55x = 198,730.44 × 48,309.86
  4. Step 4: Simplify right side
    132,565.55x = 9,600,638,740.49
  5. Step 5: Solve for x
    x = 9,600,638,740.49/132,565.55
  6. Step 6: Final answer
    x = 72,421.83

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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.