Home / 189,514.67-261,553.18-107,862.77

Finding the Fourth Proportional to 189,514.67, 261,553.18 and 107,862.77

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Solution

The fourth proportional to 189,514.67, 261,553.18 and 107,862.77 is: 148,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,514.67 : 261,553.18 = 107,862.77 : x
  2. Step 2: Convert to fraction form
    189,514.67/261,553.18 = 107,862.77/x
  3. Step 3: Cross multiply
    189,514.67x = 261,553.18 × 107,862.77
  4. Step 4: Simplify right side
    189,514.67x = 28,211,850,881.33
  5. Step 5: Solve for x
    x = 28,211,850,881.33/189,514.67
  6. Step 6: Final answer
    x = 148,863.68

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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.