Home / 409,167.08-613,752.22-142,926.52

Finding the Fourth Proportional to 409,167.08, 613,752.22 and 142,926.52

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Solution

The fourth proportional to 409,167.08, 613,752.22 and 142,926.52 is: 214,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,167.08 : 613,752.22 = 142,926.52 : x
  2. Step 2: Convert to fraction form
    409,167.08/613,752.22 = 142,926.52/x
  3. Step 3: Cross multiply
    409,167.08x = 613,752.22 × 142,926.52
  4. Step 4: Simplify right side
    409,167.08x = 87,721,468,946.87
  5. Step 5: Solve for x
    x = 87,721,468,946.87/409,167.08
  6. Step 6: Final answer
    x = 214,390.34

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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.