Home / 144,923.40-217,125.90-122,632.20

Finding the Fourth Proportional to 144,923.40, 217,125.90 and 122,632.20

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Solution

The fourth proportional to 144,923.40, 217,125.90 and 122,632.20 is: 183,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,923.40 : 217,125.90 = 122,632.20 : x
  2. Step 2: Convert to fraction form
    144,923.40/217,125.90 = 122,632.20/x
  3. Step 3: Cross multiply
    144,923.40x = 217,125.90 × 122,632.20
  4. Step 4: Simplify right side
    144,923.40x = 26,626,626,793.98
  5. Step 5: Solve for x
    x = 26,626,626,793.98/144,923.40
  6. Step 6: Final answer
    x = 183,728.97

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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.