Home / 144,865.74-217,318.47-45,007.32

Finding the Fourth Proportional to 144,865.74, 217,318.47 and 45,007.32

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Solution

The fourth proportional to 144,865.74, 217,318.47 and 45,007.32 is: 67,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.74 : 217,318.47 = 45,007.32 : x
  2. Step 2: Convert to fraction form
    144,865.74/217,318.47 = 45,007.32/x
  3. Step 3: Cross multiply
    144,865.74x = 217,318.47 × 45,007.32
  4. Step 4: Simplify right side
    144,865.74x = 9,780,921,921.20
  5. Step 5: Solve for x
    x = 9,780,921,921.20/144,865.74
  6. Step 6: Final answer
    x = 67,517.15

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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.