Home / 145,086.04-217,371.18-60,660.28

Finding the Fourth Proportional to 145,086.04, 217,371.18 and 60,660.28

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Solution

The fourth proportional to 145,086.04, 217,371.18 and 60,660.28 is: 90,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,086.04 : 217,371.18 = 60,660.28 : x
  2. Step 2: Convert to fraction form
    145,086.04/217,371.18 = 60,660.28/x
  3. Step 3: Cross multiply
    145,086.04x = 217,371.18 × 60,660.28
  4. Step 4: Simplify right side
    145,086.04x = 13,185,796,642.73
  5. Step 5: Solve for x
    x = 13,185,796,642.73/145,086.04
  6. Step 6: Final answer
    x = 90,882.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.