Home / 105,187.39-157,781.06-26,301.61

Finding the Fourth Proportional to 105,187.39, 157,781.06 and 26,301.61

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Solution

The fourth proportional to 105,187.39, 157,781.06 and 26,301.61 is: 39,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187.39 : 157,781.06 = 26,301.61 : x
  2. Step 2: Convert to fraction form
    105,187.39/157,781.06 = 26,301.61/x
  3. Step 3: Cross multiply
    105,187.39x = 157,781.06 × 26,301.61
  4. Step 4: Simplify right side
    105,187.39x = 4,149,895,379.55
  5. Step 5: Solve for x
    x = 4,149,895,379.55/105,187.39
  6. Step 6: Final answer
    x = 39,452.40

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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.