Home / 193,287.20-266,681.70-125,307

Finding the Fourth Proportional to 193,287.20, 266,681.70 and 125,307

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Solution

The fourth proportional to 193,287.20, 266,681.70 and 125,307 is: 172,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,287.20 : 266,681.70 = 125,307 : x
  2. Step 2: Convert to fraction form
    193,287.20/266,681.70 = 125,307/x
  3. Step 3: Cross multiply
    193,287.20x = 266,681.70 × 125,307
  4. Step 4: Simplify right side
    193,287.20x = 33,417,083,781.90
  5. Step 5: Solve for x
    x = 33,417,083,781.90/193,287.20
  6. Step 6: Final answer
    x = 172,888.24

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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.