Home / 103,342.20-155,027.70-44,177.40

Finding the Fourth Proportional to 103,342.20, 155,027.70 and 44,177.40

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Solution

The fourth proportional to 103,342.20, 155,027.70 and 44,177.40 is: 66,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,342.20 : 155,027.70 = 44,177.40 : x
  2. Step 2: Convert to fraction form
    103,342.20/155,027.70 = 44,177.40/x
  3. Step 3: Cross multiply
    103,342.20x = 155,027.70 × 44,177.40
  4. Step 4: Simplify right side
    103,342.20x = 6,848,720,713.98
  5. Step 5: Solve for x
    x = 6,848,720,713.98/103,342.20
  6. Step 6: Final answer
    x = 66,272.26

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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.