Home / 409,588.20-613,985.32-156,673.93

Finding the Fourth Proportional to 409,588.20, 613,985.32 and 156,673.93

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Solution

The fourth proportional to 409,588.20, 613,985.32 and 156,673.93 is: 234,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,588.20 : 613,985.32 = 156,673.93 : x
  2. Step 2: Convert to fraction form
    409,588.20/613,985.32 = 156,673.93/x
  3. Step 3: Cross multiply
    409,588.20x = 613,985.32 × 156,673.93
  4. Step 4: Simplify right side
    409,588.20x = 96,195,493,046.71
  5. Step 5: Solve for x
    x = 96,195,493,046.71/409,588.20
  6. Step 6: Final answer
    x = 234,859.04

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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.