Home / 131,077.53-180,916.85-92,797.28

Finding the Fourth Proportional to 131,077.53, 180,916.85 and 92,797.28

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Solution

The fourth proportional to 131,077.53, 180,916.85 and 92,797.28 is: 128,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,077.53 : 180,916.85 = 92,797.28 : x
  2. Step 2: Convert to fraction form
    131,077.53/180,916.85 = 92,797.28/x
  3. Step 3: Cross multiply
    131,077.53x = 180,916.85 × 92,797.28
  4. Step 4: Simplify right side
    131,077.53x = 16,788,591,586.17
  5. Step 5: Solve for x
    x = 16,788,591,586.17/131,077.53
  6. Step 6: Final answer
    x = 128,081.39

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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.