Home / 193,389.93-266,882.71-108,513.27

Finding the Fourth Proportional to 193,389.93, 266,882.71 and 108,513.27

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Solution

The fourth proportional to 193,389.93, 266,882.71 and 108,513.27 is: 149,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,389.93 : 266,882.71 = 108,513.27 : x
  2. Step 2: Convert to fraction form
    193,389.93/266,882.71 = 108,513.27/x
  3. Step 3: Cross multiply
    193,389.93x = 266,882.71 × 108,513.27
  4. Step 4: Simplify right side
    193,389.93x = 28,960,316,705.01
  5. Step 5: Solve for x
    x = 28,960,316,705.01/193,389.93
  6. Step 6: Final answer
    x = 149,750.90

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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.