Home / 177,728.91-266,567.09-65,382.86

Finding the Fourth Proportional to 177,728.91, 266,567.09 and 65,382.86

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Solution

The fourth proportional to 177,728.91, 266,567.09 and 65,382.86 is: 98,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,728.91 : 266,567.09 = 65,382.86 : x
  2. Step 2: Convert to fraction form
    177,728.91/266,567.09 = 65,382.86/x
  3. Step 3: Cross multiply
    177,728.91x = 266,567.09 × 65,382.86
  4. Step 4: Simplify right side
    177,728.91x = 17,428,917,066.33
  5. Step 5: Solve for x
    x = 17,428,917,066.33/177,728.91
  6. Step 6: Final answer
    x = 98,064.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.