Home / 141,680.30-195,518.51-77,148.54

Finding the Fourth Proportional to 141,680.30, 195,518.51 and 77,148.54

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Solution

The fourth proportional to 141,680.30, 195,518.51 and 77,148.54 is: 106,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,680.30 : 195,518.51 = 77,148.54 : x
  2. Step 2: Convert to fraction form
    141,680.30/195,518.51 = 77,148.54/x
  3. Step 3: Cross multiply
    141,680.30x = 195,518.51 × 77,148.54
  4. Step 4: Simplify right side
    141,680.30x = 15,083,967,589.48
  5. Step 5: Solve for x
    x = 15,083,967,589.48/141,680.30
  6. Step 6: Final answer
    x = 106,464.82

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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.