Home / 180,387.16-248,917.33-122,125.38

Finding the Fourth Proportional to 180,387.16, 248,917.33 and 122,125.38

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Solution

The fourth proportional to 180,387.16, 248,917.33 and 122,125.38 is: 168,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,387.16 : 248,917.33 = 122,125.38 : x
  2. Step 2: Convert to fraction form
    180,387.16/248,917.33 = 122,125.38/x
  3. Step 3: Cross multiply
    180,387.16x = 248,917.33 × 122,125.38
  4. Step 4: Simplify right side
    180,387.16x = 30,399,123,514.84
  5. Step 5: Solve for x
    x = 30,399,123,514.84/180,387.16
  6. Step 6: Final answer
    x = 168,521.55

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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.