Home / 162,079.74-223,402.32-108,345.15

Finding the Fourth Proportional to 162,079.74, 223,402.32 and 108,345.15

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Solution

The fourth proportional to 162,079.74, 223,402.32 and 108,345.15 is: 149,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,079.74 : 223,402.32 = 108,345.15 : x
  2. Step 2: Convert to fraction form
    162,079.74/223,402.32 = 108,345.15/x
  3. Step 3: Cross multiply
    162,079.74x = 223,402.32 × 108,345.15
  4. Step 4: Simplify right side
    162,079.74x = 24,204,557,870.75
  5. Step 5: Solve for x
    x = 24,204,557,870.75/162,079.74
  6. Step 6: Final answer
    x = 149,337.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.