Home / 162,305.29-243,470.50-54,235.02

Finding the Fourth Proportional to 162,305.29, 243,470.50 and 54,235.02

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Solution

The fourth proportional to 162,305.29, 243,470.50 and 54,235.02 is: 81,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,305.29 : 243,470.50 = 54,235.02 : x
  2. Step 2: Convert to fraction form
    162,305.29/243,470.50 = 54,235.02/x
  3. Step 3: Cross multiply
    162,305.29x = 243,470.50 × 54,235.02
  4. Step 4: Simplify right side
    162,305.29x = 13,204,628,214.34
  5. Step 5: Solve for x
    x = 13,204,628,214.34/162,305.29
  6. Step 6: Final answer
    x = 81,356.73

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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.