Home / 169,941.68-234,568.82-105,430.58

Finding the Fourth Proportional to 169,941.68, 234,568.82 and 105,430.58

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Solution

The fourth proportional to 169,941.68, 234,568.82 and 105,430.58 is: 145,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,941.68 : 234,568.82 = 105,430.58 : x
  2. Step 2: Convert to fraction form
    169,941.68/234,568.82 = 105,430.58/x
  3. Step 3: Cross multiply
    169,941.68x = 234,568.82 × 105,430.58
  4. Step 4: Simplify right side
    169,941.68x = 24,730,726,215.36
  5. Step 5: Solve for x
    x = 24,730,726,215.36/169,941.68
  6. Step 6: Final answer
    x = 145,524.78

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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.