Home / 268,170.02-402,274.23-81,196.10

Finding the Fourth Proportional to 268,170.02, 402,274.23 and 81,196.10

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Solution

The fourth proportional to 268,170.02, 402,274.23 and 81,196.10 is: 121,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,170.02 : 402,274.23 = 81,196.10 : x
  2. Step 2: Convert to fraction form
    268,170.02/402,274.23 = 81,196.10/x
  3. Step 3: Cross multiply
    268,170.02x = 402,274.23 × 81,196.10
  4. Step 4: Simplify right side
    268,170.02x = 32,663,098,606.50
  5. Step 5: Solve for x
    x = 32,663,098,606.50/268,170.02
  6. Step 6: Final answer
    x = 121,799.96

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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.