Home / 144,866.28-217,329.50-45,023.72

Finding the Fourth Proportional to 144,866.28, 217,329.50 and 45,023.72

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Solution

The fourth proportional to 144,866.28, 217,329.50 and 45,023.72 is: 67,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,866.28 : 217,329.50 = 45,023.72 : x
  2. Step 2: Convert to fraction form
    144,866.28/217,329.50 = 45,023.72/x
  3. Step 3: Cross multiply
    144,866.28x = 217,329.50 × 45,023.72
  4. Step 4: Simplify right side
    144,866.28x = 9,784,982,555.74
  5. Step 5: Solve for x
    x = 9,784,982,555.74/144,866.28
  6. Step 6: Final answer
    x = 67,544.93

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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.