Home / 114,272.92-157,660.89-66,517.36

Finding the Fourth Proportional to 114,272.92, 157,660.89 and 66,517.36

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Solution

The fourth proportional to 114,272.92, 157,660.89 and 66,517.36 is: 91,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,272.92 : 157,660.89 = 66,517.36 : x
  2. Step 2: Convert to fraction form
    114,272.92/157,660.89 = 66,517.36/x
  3. Step 3: Cross multiply
    114,272.92x = 157,660.89 × 66,517.36
  4. Step 4: Simplify right side
    114,272.92x = 10,487,186,178.05
  5. Step 5: Solve for x
    x = 10,487,186,178.05/114,272.92
  6. Step 6: Final answer
    x = 91,773.15

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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.