Home / 162,218.13-243,327.19-51,410.13

Finding the Fourth Proportional to 162,218.13, 243,327.19 and 51,410.13

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Solution

The fourth proportional to 162,218.13, 243,327.19 and 51,410.13 is: 77,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,218.13 : 243,327.19 = 51,410.13 : x
  2. Step 2: Convert to fraction form
    162,218.13/243,327.19 = 51,410.13/x
  3. Step 3: Cross multiply
    162,218.13x = 243,327.19 × 51,410.13
  4. Step 4: Simplify right side
    162,218.13x = 12,509,482,470.43
  5. Step 5: Solve for x
    x = 12,509,482,470.43/162,218.13
  6. Step 6: Final answer
    x = 77,115.19

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1.5x scale

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.