Home / 144,911.10-217,366.65-100,587.90

Finding the Fourth Proportional to 144,911.10, 217,366.65 and 100,587.90

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Solution

The fourth proportional to 144,911.10, 217,366.65 and 100,587.90 is: 150,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,911.10 : 217,366.65 = 100,587.90 : x
  2. Step 2: Convert to fraction form
    144,911.10/217,366.65 = 100,587.90/x
  3. Step 3: Cross multiply
    144,911.10x = 217,366.65 × 100,587.90
  4. Step 4: Simplify right side
    144,911.10x = 21,864,454,853.54
  5. Step 5: Solve for x
    x = 21,864,454,853.54/144,911.10
  6. Step 6: Final answer
    x = 150,881.85

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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.