Home / 409,203.68-613,897.10-124,919.50

Finding the Fourth Proportional to 409,203.68, 613,897.10 and 124,919.50

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Solution

The fourth proportional to 409,203.68, 613,897.10 and 124,919.50 is: 187,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,203.68 : 613,897.10 = 124,919.50 : x
  2. Step 2: Convert to fraction form
    409,203.68/613,897.10 = 124,919.50/x
  3. Step 3: Cross multiply
    409,203.68x = 613,897.10 × 124,919.50
  4. Step 4: Simplify right side
    409,203.68x = 76,687,715,089.37
  5. Step 5: Solve for x
    x = 76,687,715,089.37/409,203.68
  6. Step 6: Final answer
    x = 187,407.20

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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.