Home / 149,565.12-223,821.12-93,431.70

Finding the Fourth Proportional to 149,565.12, 223,821.12 and 93,431.70

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Solution

The fourth proportional to 149,565.12, 223,821.12 and 93,431.70 is: 139,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,565.12 : 223,821.12 = 93,431.70 : x
  2. Step 2: Convert to fraction form
    149,565.12/223,821.12 = 93,431.70/x
  3. Step 3: Cross multiply
    149,565.12x = 223,821.12 × 93,431.70
  4. Step 4: Simplify right side
    149,565.12x = 20,911,987,737.50
  5. Step 5: Solve for x
    x = 20,911,987,737.50/149,565.12
  6. Step 6: Final answer
    x = 139,818.61

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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.