Home / 227,105.47-313,430.06-125,141.18

Finding the Fourth Proportional to 227,105.47, 313,430.06 and 125,141.18

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Solution

The fourth proportional to 227,105.47, 313,430.06 and 125,141.18 is: 172,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,105.47 : 313,430.06 = 125,141.18 : x
  2. Step 2: Convert to fraction form
    227,105.47/313,430.06 = 125,141.18/x
  3. Step 3: Cross multiply
    227,105.47x = 313,430.06 × 125,141.18
  4. Step 4: Simplify right side
    227,105.47x = 39,223,006,930.16
  5. Step 5: Solve for x
    x = 39,223,006,930.16/227,105.47
  6. Step 6: Final answer
    x = 172,708.34

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1.5x scale

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.