Home / 238,562.01-329,215.86-131,129.75

Finding the Fourth Proportional to 238,562.01, 329,215.86 and 131,129.75

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Solution

The fourth proportional to 238,562.01, 329,215.86 and 131,129.75 is: 180,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,562.01 : 329,215.86 = 131,129.75 : x
  2. Step 2: Convert to fraction form
    238,562.01/329,215.86 = 131,129.75/x
  3. Step 3: Cross multiply
    238,562.01x = 329,215.86 × 131,129.75
  4. Step 4: Simplify right side
    238,562.01x = 43,169,994,240.87
  5. Step 5: Solve for x
    x = 43,169,994,240.87/238,562.01
  6. Step 6: Final answer
    x = 180,959.22

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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.