Home / 238,574.46-329,236.84-131,149.02

Finding the Fourth Proportional to 238,574.46, 329,236.84 and 131,149.02

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Solution

The fourth proportional to 238,574.46, 329,236.84 and 131,149.02 is: 180,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,574.46 : 329,236.84 = 131,149.02 : x
  2. Step 2: Convert to fraction form
    238,574.46/329,236.84 = 131,149.02/x
  3. Step 3: Cross multiply
    238,574.46x = 329,236.84 × 131,149.02
  4. Step 4: Simplify right side
    238,574.46x = 43,179,087,267.71
  5. Step 5: Solve for x
    x = 43,179,087,267.71/238,574.46
  6. Step 6: Final answer
    x = 180,987.89

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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.