Home / 302,476.28-453,679.83-80,877.56

Finding the Fourth Proportional to 302,476.28, 453,679.83 and 80,877.56

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Solution

The fourth proportional to 302,476.28, 453,679.83 and 80,877.56 is: 121,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,476.28 : 453,679.83 = 80,877.56 : x
  2. Step 2: Convert to fraction form
    302,476.28/453,679.83 = 80,877.56/x
  3. Step 3: Cross multiply
    302,476.28x = 453,679.83 × 80,877.56
  4. Step 4: Simplify right side
    302,476.28x = 36,692,517,671.61
  5. Step 5: Solve for x
    x = 36,692,517,671.61/302,476.28
  6. Step 6: Final answer
    x = 121,307.09

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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.