Home / 129,829.64-194,768.15-59,707.13

Finding the Fourth Proportional to 129,829.64, 194,768.15 and 59,707.13

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Solution

The fourth proportional to 129,829.64, 194,768.15 and 59,707.13 is: 89,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,829.64 : 194,768.15 = 59,707.13 : x
  2. Step 2: Convert to fraction form
    129,829.64/194,768.15 = 59,707.13/x
  3. Step 3: Cross multiply
    129,829.64x = 194,768.15 × 59,707.13
  4. Step 4: Simplify right side
    129,829.64x = 11,629,045,979.53
  5. Step 5: Solve for x
    x = 11,629,045,979.53/129,829.64
  6. Step 6: Final answer
    x = 89,571.58

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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.