Home / 373,275.68-515,098.24-212,108.36

Finding the Fourth Proportional to 373,275.68, 515,098.24 and 212,108.36

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Solution

The fourth proportional to 373,275.68, 515,098.24 and 212,108.36 is: 292,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,275.68 : 515,098.24 = 212,108.36 : x
  2. Step 2: Convert to fraction form
    373,275.68/515,098.24 = 212,108.36/x
  3. Step 3: Cross multiply
    373,275.68x = 515,098.24 × 212,108.36
  4. Step 4: Simplify right side
    373,275.68x = 109,256,639,819.52
  5. Step 5: Solve for x
    x = 109,256,639,819.52/373,275.68
  6. Step 6: Final answer
    x = 292,696.92

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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.