Home / 238,585.12-329,248.08-136,612.12

Finding the Fourth Proportional to 238,585.12, 329,248.08 and 136,612.12

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Solution

The fourth proportional to 238,585.12, 329,248.08 and 136,612.12 is: 188,525.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,585.12 : 329,248.08 = 136,612.12 : x
  2. Step 2: Convert to fraction form
    238,585.12/329,248.08 = 136,612.12/x
  3. Step 3: Cross multiply
    238,585.12x = 329,248.08 × 136,612.12
  4. Step 4: Simplify right side
    238,585.12x = 44,979,278,214.73
  5. Step 5: Solve for x
    x = 44,979,278,214.73/238,585.12
  6. Step 6: Final answer
    x = 188,525.08

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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.