Home / 141,508.52-195,280.36-77,846.40

Finding the Fourth Proportional to 141,508.52, 195,280.36 and 77,846.40

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Solution

The fourth proportional to 141,508.52, 195,280.36 and 77,846.40 is: 107,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,508.52 : 195,280.36 = 77,846.40 : x
  2. Step 2: Convert to fraction form
    141,508.52/195,280.36 = 77,846.40/x
  3. Step 3: Cross multiply
    141,508.52x = 195,280.36 × 77,846.40
  4. Step 4: Simplify right side
    141,508.52x = 15,201,873,016.70
  5. Step 5: Solve for x
    x = 15,201,873,016.70/141,508.52
  6. Step 6: Final answer
    x = 107,427.26

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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.