Home / 148,397.20-204,859.06-84,722.70

Finding the Fourth Proportional to 148,397.20, 204,859.06 and 84,722.70

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Solution

The fourth proportional to 148,397.20, 204,859.06 and 84,722.70 is: 116,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,397.20 : 204,859.06 = 84,722.70 : x
  2. Step 2: Convert to fraction form
    148,397.20/204,859.06 = 84,722.70/x
  3. Step 3: Cross multiply
    148,397.20x = 204,859.06 × 84,722.70
  4. Step 4: Simplify right side
    148,397.20x = 17,356,212,682.66
  5. Step 5: Solve for x
    x = 17,356,212,682.66/148,397.20
  6. Step 6: Final answer
    x = 116,957.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.