Home / 109,857.40-151,614.52-66,839.95

Finding the Fourth Proportional to 109,857.40, 151,614.52 and 66,839.95

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Solution

The fourth proportional to 109,857.40, 151,614.52 and 66,839.95 is: 92,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,857.40 : 151,614.52 = 66,839.95 : x
  2. Step 2: Convert to fraction form
    109,857.40/151,614.52 = 66,839.95/x
  3. Step 3: Cross multiply
    109,857.40x = 151,614.52 × 66,839.95
  4. Step 4: Simplify right side
    109,857.40x = 10,133,906,177.88
  5. Step 5: Solve for x
    x = 10,133,906,177.88/109,857.40
  6. Step 6: Final answer
    x = 92,246.00

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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.