Home / 413,929.76-571,270.43-230,186.66

Finding the Fourth Proportional to 413,929.76, 571,270.43 and 230,186.66

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Solution

The fourth proportional to 413,929.76, 571,270.43 and 230,186.66 is: 317,683.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,929.76 : 571,270.43 = 230,186.66 : x
  2. Step 2: Convert to fraction form
    413,929.76/571,270.43 = 230,186.66/x
  3. Step 3: Cross multiply
    413,929.76x = 571,270.43 × 230,186.66
  4. Step 4: Simplify right side
    413,929.76x = 131,498,828,231.18
  5. Step 5: Solve for x
    x = 131,498,828,231.18/413,929.76
  6. Step 6: Final answer
    x = 317,683.92

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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.