Home / 238,803.50-329,535.80-131,356.18

Finding the Fourth Proportional to 238,803.50, 329,535.80 and 131,356.18

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Solution

The fourth proportional to 238,803.50, 329,535.80 and 131,356.18 is: 181,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,803.50 : 329,535.80 = 131,356.18 : x
  2. Step 2: Convert to fraction form
    238,803.50/329,535.80 = 131,356.18/x
  3. Step 3: Cross multiply
    238,803.50x = 329,535.80 × 131,356.18
  4. Step 4: Simplify right side
    238,803.50x = 43,286,563,861.24
  5. Step 5: Solve for x
    x = 43,286,563,861.24/238,803.50
  6. Step 6: Final answer
    x = 181,264.36

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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.