Home / 313,011.17-431,955.45-177,042.19

Finding the Fourth Proportional to 313,011.17, 431,955.45 and 177,042.19

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Solution

The fourth proportional to 313,011.17, 431,955.45 and 177,042.19 is: 244,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,011.17 : 431,955.45 = 177,042.19 : x
  2. Step 2: Convert to fraction form
    313,011.17/431,955.45 = 177,042.19/x
  3. Step 3: Cross multiply
    313,011.17x = 431,955.45 × 177,042.19
  4. Step 4: Simplify right side
    313,011.17x = 76,474,338,726.47
  5. Step 5: Solve for x
    x = 76,474,338,726.47/313,011.17
  6. Step 6: Final answer
    x = 244,318.24

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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.