Home / 162,759.30-243,750.15-99,773.70

Finding the Fourth Proportional to 162,759.30, 243,750.15 and 99,773.70

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Solution

The fourth proportional to 162,759.30, 243,750.15 and 99,773.70 is: 149,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,759.30 : 243,750.15 = 99,773.70 : x
  2. Step 2: Convert to fraction form
    162,759.30/243,750.15 = 99,773.70/x
  3. Step 3: Cross multiply
    162,759.30x = 243,750.15 × 99,773.70
  4. Step 4: Simplify right side
    162,759.30x = 24,319,854,341.06
  5. Step 5: Solve for x
    x = 24,319,854,341.06/162,759.30
  6. Step 6: Final answer
    x = 149,422.21

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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.