Home / 238,526.80-329,173.02-131,099.56

Finding the Fourth Proportional to 238,526.80, 329,173.02 and 131,099.56

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Solution

The fourth proportional to 238,526.80, 329,173.02 and 131,099.56 is: 180,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,526.80 : 329,173.02 = 131,099.56 : x
  2. Step 2: Convert to fraction form
    238,526.80/329,173.02 = 131,099.56/x
  3. Step 3: Cross multiply
    238,526.80x = 329,173.02 × 131,099.56
  4. Step 4: Simplify right side
    238,526.80x = 43,154,438,085.87
  5. Step 5: Solve for x
    x = 43,154,438,085.87/238,526.80
  6. Step 6: Final answer
    x = 180,920.71

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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.