Home / 272,869.17-376,560.01-152,014.78

Finding the Fourth Proportional to 272,869.17, 376,560.01 and 152,014.78

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Solution

The fourth proportional to 272,869.17, 376,560.01 and 152,014.78 is: 209,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,869.17 : 376,560.01 = 152,014.78 : x
  2. Step 2: Convert to fraction form
    272,869.17/376,560.01 = 152,014.78/x
  3. Step 3: Cross multiply
    272,869.17x = 376,560.01 × 152,014.78
  4. Step 4: Simplify right side
    272,869.17x = 57,242,687,708.49
  5. Step 5: Solve for x
    x = 57,242,687,708.49/272,869.17
  6. Step 6: Final answer
    x = 209,780.71

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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.