Home / 134,761.53-186,047.09-89,517.06

Finding the Fourth Proportional to 134,761.53, 186,047.09 and 89,517.06

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Solution

The fourth proportional to 134,761.53, 186,047.09 and 89,517.06 is: 123,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,761.53 : 186,047.09 = 89,517.06 : x
  2. Step 2: Convert to fraction form
    134,761.53/186,047.09 = 89,517.06/x
  3. Step 3: Cross multiply
    134,761.53x = 186,047.09 × 89,517.06
  4. Step 4: Simplify right side
    134,761.53x = 16,654,388,518.36
  5. Step 5: Solve for x
    x = 16,654,388,518.36/134,761.53
  6. Step 6: Final answer
    x = 123,584.15

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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.