Home / 276,887.31-382,309.25-169,603.89

Finding the Fourth Proportional to 276,887.31, 382,309.25 and 169,603.89

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Solution

The fourth proportional to 276,887.31, 382,309.25 and 169,603.89 is: 234,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,887.31 : 382,309.25 = 169,603.89 : x
  2. Step 2: Convert to fraction form
    276,887.31/382,309.25 = 169,603.89/x
  3. Step 3: Cross multiply
    276,887.31x = 382,309.25 × 169,603.89
  4. Step 4: Simplify right side
    276,887.31x = 64,841,135,134.96
  5. Step 5: Solve for x
    x = 64,841,135,134.96/276,887.31
  6. Step 6: Final answer
    x = 234,178.79

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1.5x scale

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.