Home / 193,138.48-266,527.02-108,253.72

Finding the Fourth Proportional to 193,138.48, 266,527.02 and 108,253.72

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Solution

The fourth proportional to 193,138.48, 266,527.02 and 108,253.72 is: 149,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,138.48 : 266,527.02 = 108,253.72 : x
  2. Step 2: Convert to fraction form
    193,138.48/266,527.02 = 108,253.72/x
  3. Step 3: Cross multiply
    193,138.48x = 266,527.02 × 108,253.72
  4. Step 4: Simplify right side
    193,138.48x = 28,852,541,395.51
  5. Step 5: Solve for x
    x = 28,852,541,395.51/193,138.48
  6. Step 6: Final answer
    x = 149,387.85

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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.