Home / 243,837.15-336,487.45-136,404.87

Finding the Fourth Proportional to 243,837.15, 336,487.45 and 136,404.87

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Solution

The fourth proportional to 243,837.15, 336,487.45 and 136,404.87 is: 188,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,837.15 : 336,487.45 = 136,404.87 : x
  2. Step 2: Convert to fraction form
    243,837.15/336,487.45 = 136,404.87/x
  3. Step 3: Cross multiply
    243,837.15x = 336,487.45 × 136,404.87
  4. Step 4: Simplify right side
    243,837.15x = 45,898,526,873.88
  5. Step 5: Solve for x
    x = 45,898,526,873.88/243,837.15
  6. Step 6: Final answer
    x = 188,234.35

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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.