Home / 131,703.90-196,972.65-110,708.70

Finding the Fourth Proportional to 131,703.90, 196,972.65 and 110,708.70

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Solution

The fourth proportional to 131,703.90, 196,972.65 and 110,708.70 is: 165,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.90 : 196,972.65 = 110,708.70 : x
  2. Step 2: Convert to fraction form
    131,703.90/196,972.65 = 110,708.70/x
  3. Step 3: Cross multiply
    131,703.90x = 196,972.65 × 110,708.70
  4. Step 4: Simplify right side
    131,703.90x = 21,806,586,017.06
  5. Step 5: Solve for x
    x = 21,806,586,017.06/131,703.90
  6. Step 6: Final answer
    x = 165,572.82

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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.