Home / 238,590.04-329,260.56-129,701.70

Finding the Fourth Proportional to 238,590.04, 329,260.56 and 129,701.70

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Solution

The fourth proportional to 238,590.04, 329,260.56 and 129,701.70 is: 178,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,590.04 : 329,260.56 = 129,701.70 : x
  2. Step 2: Convert to fraction form
    238,590.04/329,260.56 = 129,701.70/x
  3. Step 3: Cross multiply
    238,590.04x = 329,260.56 × 129,701.70
  4. Step 4: Simplify right side
    238,590.04x = 42,705,654,374.95
  5. Step 5: Solve for x
    x = 42,705,654,374.95/238,590.04
  6. Step 6: Final answer
    x = 178,991.77

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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.