Home / 137,395.13-189,510.57-96,645.69

Finding the Fourth Proportional to 137,395.13, 189,510.57 and 96,645.69

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Solution

The fourth proportional to 137,395.13, 189,510.57 and 96,645.69 is: 133,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,395.13 : 189,510.57 = 96,645.69 : x
  2. Step 2: Convert to fraction form
    137,395.13/189,510.57 = 96,645.69/x
  3. Step 3: Cross multiply
    137,395.13x = 189,510.57 × 96,645.69
  4. Step 4: Simplify right side
    137,395.13x = 18,315,379,799.94
  5. Step 5: Solve for x
    x = 18,315,379,799.94/137,395.13
  6. Step 6: Final answer
    x = 133,304.44

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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.