Home / 187,623.42-258,920.40-101,582.39

Finding the Fourth Proportional to 187,623.42, 258,920.40 and 101,582.39

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Solution

The fourth proportional to 187,623.42, 258,920.40 and 101,582.39 is: 140,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,623.42 : 258,920.40 = 101,582.39 : x
  2. Step 2: Convert to fraction form
    187,623.42/258,920.40 = 101,582.39/x
  3. Step 3: Cross multiply
    187,623.42x = 258,920.40 × 101,582.39
  4. Step 4: Simplify right side
    187,623.42x = 26,301,751,757.15
  5. Step 5: Solve for x
    x = 26,301,751,757.15/187,623.42
  6. Step 6: Final answer
    x = 140,183.73

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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.