Home / 156,743.59-216,372.33-105,825.26

Finding the Fourth Proportional to 156,743.59, 216,372.33 and 105,825.26

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Solution

The fourth proportional to 156,743.59, 216,372.33 and 105,825.26 is: 146,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.59 : 216,372.33 = 105,825.26 : x
  2. Step 2: Convert to fraction form
    156,743.59/216,372.33 = 105,825.26/x
  3. Step 3: Cross multiply
    156,743.59x = 216,372.33 × 105,825.26
  4. Step 4: Simplify right side
    156,743.59x = 22,897,656,997.19
  5. Step 5: Solve for x
    x = 22,897,656,997.19/156,743.59
  6. Step 6: Final answer
    x = 146,083.53

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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.