Home / 272,916.60-376,652.64-152,077.56

Finding the Fourth Proportional to 272,916.60, 376,652.64 and 152,077.56

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Solution

The fourth proportional to 272,916.60, 376,652.64 and 152,077.56 is: 209,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,916.60 : 376,652.64 = 152,077.56 : x
  2. Step 2: Convert to fraction form
    272,916.60/376,652.64 = 152,077.56/x
  3. Step 3: Cross multiply
    272,916.60x = 376,652.64 × 152,077.56
  4. Step 4: Simplify right side
    272,916.60x = 57,280,414,458.76
  5. Step 5: Solve for x
    x = 57,280,414,458.76/272,916.60
  6. Step 6: Final answer
    x = 209,882.49

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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.