Home / 238,807.53-329,549.58-131,374.80

Finding the Fourth Proportional to 238,807.53, 329,549.58 and 131,374.80

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Solution

The fourth proportional to 238,807.53, 329,549.58 and 131,374.80 is: 181,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,807.53 : 329,549.58 = 131,374.80 : x
  2. Step 2: Convert to fraction form
    238,807.53/329,549.58 = 131,374.80/x
  3. Step 3: Cross multiply
    238,807.53x = 329,549.58 × 131,374.80
  4. Step 4: Simplify right side
    238,807.53x = 43,294,510,162.58
  5. Step 5: Solve for x
    x = 43,294,510,162.58/238,807.53
  6. Step 6: Final answer
    x = 181,294.58

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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.