Home / 141,587.75-195,391.65-77,927.81

Finding the Fourth Proportional to 141,587.75, 195,391.65 and 77,927.81

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Solution

The fourth proportional to 141,587.75, 195,391.65 and 77,927.81 is: 107,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,587.75 : 195,391.65 = 77,927.81 : x
  2. Step 2: Convert to fraction form
    141,587.75/195,391.65 = 77,927.81/x
  3. Step 3: Cross multiply
    141,587.75x = 195,391.65 × 77,927.81
  4. Step 4: Simplify right side
    141,587.75x = 15,226,443,376.79
  5. Step 5: Solve for x
    x = 15,226,443,376.79/141,587.75
  6. Step 6: Final answer
    x = 107,540.68

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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.