Home / 243,781.27-336,428.06-134,883.83

Finding the Fourth Proportional to 243,781.27, 336,428.06 and 134,883.83

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Solution

The fourth proportional to 243,781.27, 336,428.06 and 134,883.83 is: 186,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,781.27 : 336,428.06 = 134,883.83 : x
  2. Step 2: Convert to fraction form
    243,781.27/336,428.06 = 134,883.83/x
  3. Step 3: Cross multiply
    243,781.27x = 336,428.06 × 134,883.83
  4. Step 4: Simplify right side
    243,781.27x = 45,378,705,418.92
  5. Step 5: Solve for x
    x = 45,378,705,418.92/243,781.27
  6. Step 6: Final answer
    x = 186,145.17

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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.