Home / 161,736.22-242,641.23-49,432.40

Finding the Fourth Proportional to 161,736.22, 242,641.23 and 49,432.40

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Solution

The fourth proportional to 161,736.22, 242,641.23 and 49,432.40 is: 74,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,736.22 : 242,641.23 = 49,432.40 : x
  2. Step 2: Convert to fraction form
    161,736.22/242,641.23 = 49,432.40/x
  3. Step 3: Cross multiply
    161,736.22x = 242,641.23 × 49,432.40
  4. Step 4: Simplify right side
    161,736.22x = 11,994,338,337.85
  5. Step 5: Solve for x
    x = 11,994,338,337.85/161,736.22
  6. Step 6: Final answer
    x = 74,159.88

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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.