Home / 193,389.72-266,882.41-108,513.06

Finding the Fourth Proportional to 193,389.72, 266,882.41 and 108,513.06

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Solution

The fourth proportional to 193,389.72, 266,882.41 and 108,513.06 is: 149,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,389.72 : 266,882.41 = 108,513.06 : x
  2. Step 2: Convert to fraction form
    193,389.72/266,882.41 = 108,513.06/x
  3. Step 3: Cross multiply
    193,389.72x = 266,882.41 × 108,513.06
  4. Step 4: Simplify right side
    193,389.72x = 28,960,226,969.27
  5. Step 5: Solve for x
    x = 28,960,226,969.27/193,389.72
  6. Step 6: Final answer
    x = 149,750.60

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1.5x scale

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.