Home / 229,747.22-317,032.78-127,772.87

Finding the Fourth Proportional to 229,747.22, 317,032.78 and 127,772.87

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Solution

The fourth proportional to 229,747.22, 317,032.78 and 127,772.87 is: 176,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,747.22 : 317,032.78 = 127,772.87 : x
  2. Step 2: Convert to fraction form
    229,747.22/317,032.78 = 127,772.87/x
  3. Step 3: Cross multiply
    229,747.22x = 317,032.78 × 127,772.87
  4. Step 4: Simplify right side
    229,747.22x = 40,508,187,545.81
  5. Step 5: Solve for x
    x = 40,508,187,545.81/229,747.22
  6. Step 6: Final answer
    x = 176,316.34

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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.