Home / 145,366.24-218,068.08-45,531.04

Finding the Fourth Proportional to 145,366.24, 218,068.08 and 45,531.04

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Solution

The fourth proportional to 145,366.24, 218,068.08 and 45,531.04 is: 68,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,366.24 : 218,068.08 = 45,531.04 : x
  2. Step 2: Convert to fraction form
    145,366.24/218,068.08 = 45,531.04/x
  3. Step 3: Cross multiply
    145,366.24x = 218,068.08 × 45,531.04
  4. Step 4: Simplify right side
    145,366.24x = 9,928,866,473.20
  5. Step 5: Solve for x
    x = 9,928,866,473.20/145,366.24
  6. Step 6: Final answer
    x = 68,302.42

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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.