Home / 243,634.06-336,217.40-136,209.97

Finding the Fourth Proportional to 243,634.06, 336,217.40 and 136,209.97

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Solution

The fourth proportional to 243,634.06, 336,217.40 and 136,209.97 is: 187,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,634.06 : 336,217.40 = 136,209.97 : x
  2. Step 2: Convert to fraction form
    243,634.06/336,217.40 = 136,209.97/x
  3. Step 3: Cross multiply
    243,634.06x = 336,217.40 × 136,209.97
  4. Step 4: Simplify right side
    243,634.06x = 45,796,161,967.48
  5. Step 5: Solve for x
    x = 45,796,161,967.48/243,634.06
  6. Step 6: Final answer
    x = 187,971.10

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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.