Home / 162,345.80-243,552.18-57,238.04

Finding the Fourth Proportional to 162,345.80, 243,552.18 and 57,238.04

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Solution

The fourth proportional to 162,345.80, 243,552.18 and 57,238.04 is: 85,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,345.80 : 243,552.18 = 57,238.04 : x
  2. Step 2: Convert to fraction form
    162,345.80/243,552.18 = 57,238.04/x
  3. Step 3: Cross multiply
    162,345.80x = 243,552.18 × 57,238.04
  4. Step 4: Simplify right side
    162,345.80x = 13,940,449,420.93
  5. Step 5: Solve for x
    x = 13,940,449,420.93/162,345.80
  6. Step 6: Final answer
    x = 85,868.86

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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.