Home / 156,744.04-216,160.50-120,876.52

Finding the Fourth Proportional to 156,744.04, 216,160.50 and 120,876.52

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Solution

The fourth proportional to 156,744.04, 216,160.50 and 120,876.52 is: 166,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.04 : 216,160.50 = 120,876.52 : x
  2. Step 2: Convert to fraction form
    156,744.04/216,160.50 = 120,876.52/x
  3. Step 3: Cross multiply
    156,744.04x = 216,160.50 × 120,876.52
  4. Step 4: Simplify right side
    156,744.04x = 26,128,729,001.46
  5. Step 5: Solve for x
    x = 26,128,729,001.46/156,744.04
  6. Step 6: Final answer
    x = 166,696.79

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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.