Home / 162,457.11-243,724.55-82,295.19

Finding the Fourth Proportional to 162,457.11, 243,724.55 and 82,295.19

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Solution

The fourth proportional to 162,457.11, 243,724.55 and 82,295.19 is: 123,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,457.11 : 243,724.55 = 82,295.19 : x
  2. Step 2: Convert to fraction form
    162,457.11/243,724.55 = 82,295.19/x
  3. Step 3: Cross multiply
    162,457.11x = 243,724.55 × 82,295.19
  4. Step 4: Simplify right side
    162,457.11x = 20,057,358,149.91
  5. Step 5: Solve for x
    x = 20,057,358,149.91/162,457.11
  6. Step 6: Final answer
    x = 123,462.48

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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.