Home / 145,653.06-218,491.38-40,472.04

Finding the Fourth Proportional to 145,653.06, 218,491.38 and 40,472.04

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Solution

The fourth proportional to 145,653.06, 218,491.38 and 40,472.04 is: 60,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,653.06 : 218,491.38 = 40,472.04 : x
  2. Step 2: Convert to fraction form
    145,653.06/218,491.38 = 40,472.04/x
  3. Step 3: Cross multiply
    145,653.06x = 218,491.38 × 40,472.04
  4. Step 4: Simplify right side
    145,653.06x = 8,842,791,871.02
  5. Step 5: Solve for x
    x = 8,842,791,871.02/145,653.06
  6. Step 6: Final answer
    x = 60,711.34

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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.