Home / 162,585.29-243,562.34-119,813.11

Finding the Fourth Proportional to 162,585.29, 243,562.34 and 119,813.11

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Solution

The fourth proportional to 162,585.29, 243,562.34 and 119,813.11 is: 179,487.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,585.29 : 243,562.34 = 119,813.11 : x
  2. Step 2: Convert to fraction form
    162,585.29/243,562.34 = 119,813.11/x
  3. Step 3: Cross multiply
    162,585.29x = 243,562.34 × 119,813.11
  4. Step 4: Simplify right side
    162,585.29x = 29,181,961,124.90
  5. Step 5: Solve for x
    x = 29,181,961,124.90/162,585.29
  6. Step 6: Final answer
    x = 179,487.09

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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.