Home / 316,851.28-437,254.68-173,616.76

Finding the Fourth Proportional to 316,851.28, 437,254.68 and 173,616.76

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Solution

The fourth proportional to 316,851.28, 437,254.68 and 173,616.76 is: 239,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,851.28 : 437,254.68 = 173,616.76 : x
  2. Step 2: Convert to fraction form
    316,851.28/437,254.68 = 173,616.76/x
  3. Step 3: Cross multiply
    316,851.28x = 437,254.68 × 173,616.76
  4. Step 4: Simplify right side
    316,851.28x = 75,914,740,836.44
  5. Step 5: Solve for x
    x = 75,914,740,836.44/316,851.28
  6. Step 6: Final answer
    x = 239,591.08

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1.5x scale

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.