Home / 238,599.81-329,263.38-131,168.88

Finding the Fourth Proportional to 238,599.81, 329,263.38 and 131,168.88

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Solution

The fourth proportional to 238,599.81, 329,263.38 and 131,168.88 is: 181,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,599.81 : 329,263.38 = 131,168.88 : x
  2. Step 2: Convert to fraction form
    238,599.81/329,263.38 = 131,168.88/x
  3. Step 3: Cross multiply
    238,599.81x = 329,263.38 × 131,168.88
  4. Step 4: Simplify right side
    238,599.81x = 43,189,108,779.61
  5. Step 5: Solve for x
    x = 43,189,108,779.61/238,599.81
  6. Step 6: Final answer
    x = 181,010.66

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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.