Home / 192,919.42-266,140.15-124,959.07

Finding the Fourth Proportional to 192,919.42, 266,140.15 and 124,959.07

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Solution

The fourth proportional to 192,919.42, 266,140.15 and 124,959.07 is: 172,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,919.42 : 266,140.15 = 124,959.07 : x
  2. Step 2: Convert to fraction form
    192,919.42/266,140.15 = 124,959.07/x
  3. Step 3: Cross multiply
    192,919.42x = 266,140.15 × 124,959.07
  4. Step 4: Simplify right side
    192,919.42x = 33,256,625,633.66
  5. Step 5: Solve for x
    x = 33,256,625,633.66/192,919.42
  6. Step 6: Final answer
    x = 172,386.10

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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.