Home / 111,953.04-154,470.18-93,876.88

Finding the Fourth Proportional to 111,953.04, 154,470.18 and 93,876.88

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Solution

The fourth proportional to 111,953.04, 154,470.18 and 93,876.88 is: 129,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,953.04 : 154,470.18 = 93,876.88 : x
  2. Step 2: Convert to fraction form
    111,953.04/154,470.18 = 93,876.88/x
  3. Step 3: Cross multiply
    111,953.04x = 154,470.18 × 93,876.88
  4. Step 4: Simplify right side
    111,953.04x = 14,501,178,542.90
  5. Step 5: Solve for x
    x = 14,501,178,542.90/111,953.04
  6. Step 6: Final answer
    x = 129,529.12

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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.