Home / 144,902.10-217,353.15-102,911.70

Finding the Fourth Proportional to 144,902.10, 217,353.15 and 102,911.70

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Solution

The fourth proportional to 144,902.10, 217,353.15 and 102,911.70 is: 154,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,902.10 : 217,353.15 = 102,911.70 : x
  2. Step 2: Convert to fraction form
    144,902.10/217,353.15 = 102,911.70/x
  3. Step 3: Cross multiply
    144,902.10x = 217,353.15 × 102,911.70
  4. Step 4: Simplify right side
    144,902.10x = 22,368,182,166.86
  5. Step 5: Solve for x
    x = 22,368,182,166.86/144,902.10
  6. Step 6: Final answer
    x = 154,367.55

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1.5x scale

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.