Home / 451,343.29-676,350.63-198,392.13

Finding the Fourth Proportional to 451,343.29, 676,350.63 and 198,392.13

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Solution

The fourth proportional to 451,343.29, 676,350.63 and 198,392.13 is: 297,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,343.29 : 676,350.63 = 198,392.13 : x
  2. Step 2: Convert to fraction form
    451,343.29/676,350.63 = 198,392.13/x
  3. Step 3: Cross multiply
    451,343.29x = 676,350.63 × 198,392.13
  4. Step 4: Simplify right side
    451,343.29x = 134,182,643,307.44
  5. Step 5: Solve for x
    x = 134,182,643,307.44/451,343.29
  6. Step 6: Final answer
    x = 297,296.20

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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.