Home / 272,549.29-376,114.28-151,690.61

Finding the Fourth Proportional to 272,549.29, 376,114.28 and 151,690.61

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Solution

The fourth proportional to 272,549.29, 376,114.28 and 151,690.61 is: 209,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,549.29 : 376,114.28 = 151,690.61 : x
  2. Step 2: Convert to fraction form
    272,549.29/376,114.28 = 151,690.61/x
  3. Step 3: Cross multiply
    272,549.29x = 376,114.28 × 151,690.61
  4. Step 4: Simplify right side
    272,549.29x = 57,053,003,061.57
  5. Step 5: Solve for x
    x = 57,053,003,061.57/272,549.29
  6. Step 6: Final answer
    x = 209,330.96

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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.