Home / 161,543.88-242,758.49-152,372.79

Finding the Fourth Proportional to 161,543.88, 242,758.49 and 152,372.79

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Solution

The fourth proportional to 161,543.88, 242,758.49 and 152,372.79 is: 228,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,543.88 : 242,758.49 = 152,372.79 : x
  2. Step 2: Convert to fraction form
    161,543.88/242,758.49 = 152,372.79/x
  3. Step 3: Cross multiply
    161,543.88x = 242,758.49 × 152,372.79
  4. Step 4: Simplify right side
    161,543.88x = 36,989,787,655.62
  5. Step 5: Solve for x
    x = 36,989,787,655.62/161,543.88
  6. Step 6: Final answer
    x = 228,976.72

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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.