Home / 141,544.36-195,326.34-77,876.20

Finding the Fourth Proportional to 141,544.36, 195,326.34 and 77,876.20

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Solution

The fourth proportional to 141,544.36, 195,326.34 and 77,876.20 is: 107,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,544.36 : 195,326.34 = 77,876.20 : x
  2. Step 2: Convert to fraction form
    141,544.36/195,326.34 = 77,876.20/x
  3. Step 3: Cross multiply
    141,544.36x = 195,326.34 × 77,876.20
  4. Step 4: Simplify right side
    141,544.36x = 15,211,273,119.11
  5. Step 5: Solve for x
    x = 15,211,273,119.11/141,544.36
  6. Step 6: Final answer
    x = 107,466.47

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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.