Home / 147,659.76-203,759.89-83,125.66

Finding the Fourth Proportional to 147,659.76, 203,759.89 and 83,125.66

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Solution

The fourth proportional to 147,659.76, 203,759.89 and 83,125.66 is: 114,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,659.76 : 203,759.89 = 83,125.66 : x
  2. Step 2: Convert to fraction form
    147,659.76/203,759.89 = 83,125.66/x
  3. Step 3: Cross multiply
    147,659.76x = 203,759.89 × 83,125.66
  4. Step 4: Simplify right side
    147,659.76x = 16,937,675,337.78
  5. Step 5: Solve for x
    x = 16,937,675,337.78/147,659.76
  6. Step 6: Final answer
    x = 114,707.46

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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.