Home / 193,030.59-266,389.53-108,144.75

Finding the Fourth Proportional to 193,030.59, 266,389.53 and 108,144.75

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Solution

The fourth proportional to 193,030.59, 266,389.53 and 108,144.75 is: 149,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,030.59 : 266,389.53 = 108,144.75 : x
  2. Step 2: Convert to fraction form
    193,030.59/266,389.53 = 108,144.75/x
  3. Step 3: Cross multiply
    193,030.59x = 266,389.53 × 108,144.75
  4. Step 4: Simplify right side
    193,030.59x = 28,808,629,124.47
  5. Step 5: Solve for x
    x = 28,808,629,124.47/193,030.59
  6. Step 6: Final answer
    x = 149,243.85

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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.