Home / 198,824.31-297,416.34-127,637.46

Finding the Fourth Proportional to 198,824.31, 297,416.34 and 127,637.46

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Solution

The fourth proportional to 198,824.31, 297,416.34 and 127,637.46 is: 190,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,824.31 : 297,416.34 = 127,637.46 : x
  2. Step 2: Convert to fraction form
    198,824.31/297,416.34 = 127,637.46/x
  3. Step 3: Cross multiply
    198,824.31x = 297,416.34 × 127,637.46
  4. Step 4: Simplify right side
    198,824.31x = 37,961,466,200.10
  5. Step 5: Solve for x
    x = 37,961,466,200.10/198,824.31
  6. Step 6: Final answer
    x = 190,929.70

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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.