Home / 372,921.13-559,381.70-123,603.13

Finding the Fourth Proportional to 372,921.13, 559,381.70 and 123,603.13

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Solution

The fourth proportional to 372,921.13, 559,381.70 and 123,603.13 is: 185,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,921.13 : 559,381.70 = 123,603.13 : x
  2. Step 2: Convert to fraction form
    372,921.13/559,381.70 = 123,603.13/x
  3. Step 3: Cross multiply
    372,921.13x = 559,381.70 × 123,603.13
  4. Step 4: Simplify right side
    372,921.13x = 69,141,328,984.72
  5. Step 5: Solve for x
    x = 69,141,328,984.72/372,921.13
  6. Step 6: Final answer
    x = 185,404.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.