Home / 220,943.89-304,906.13-125,453.17

Finding the Fourth Proportional to 220,943.89, 304,906.13 and 125,453.17

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Solution

The fourth proportional to 220,943.89, 304,906.13 and 125,453.17 is: 173,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,943.89 : 304,906.13 = 125,453.17 : x
  2. Step 2: Convert to fraction form
    220,943.89/304,906.13 = 125,453.17/x
  3. Step 3: Cross multiply
    220,943.89x = 304,906.13 × 125,453.17
  4. Step 4: Simplify right side
    220,943.89x = 38,251,440,560.93
  5. Step 5: Solve for x
    x = 38,251,440,560.93/220,943.89
  6. Step 6: Final answer
    x = 173,127.40

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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.