Home / 409,864.49-614,837.73-125,551.76

Finding the Fourth Proportional to 409,864.49, 614,837.73 and 125,551.76

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Solution

The fourth proportional to 409,864.49, 614,837.73 and 125,551.76 is: 188,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,864.49 : 614,837.73 = 125,551.76 : x
  2. Step 2: Convert to fraction form
    409,864.49/614,837.73 = 125,551.76/x
  3. Step 3: Cross multiply
    409,864.49x = 614,837.73 × 125,551.76
  4. Step 4: Simplify right side
    409,864.49x = 77,193,959,115.90
  5. Step 5: Solve for x
    x = 77,193,959,115.90/409,864.49
  6. Step 6: Final answer
    x = 188,340.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.