Home / 154,923.74-232,451.22-84,721.04

Finding the Fourth Proportional to 154,923.74, 232,451.22 and 84,721.04

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Solution

The fourth proportional to 154,923.74, 232,451.22 and 84,721.04 is: 127,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,923.74 : 232,451.22 = 84,721.04 : x
  2. Step 2: Convert to fraction form
    154,923.74/232,451.22 = 84,721.04/x
  3. Step 3: Cross multiply
    154,923.74x = 232,451.22 × 84,721.04
  4. Step 4: Simplify right side
    154,923.74x = 19,693,508,658.25
  5. Step 5: Solve for x
    x = 19,693,508,658.25/154,923.74
  6. Step 6: Final answer
    x = 127,117.44

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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.