Home / 141,937.16-195,866.68-81,465.24

Finding the Fourth Proportional to 141,937.16, 195,866.68 and 81,465.24

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Solution

The fourth proportional to 141,937.16, 195,866.68 and 81,465.24 is: 112,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,937.16 : 195,866.68 = 81,465.24 : x
  2. Step 2: Convert to fraction form
    141,937.16/195,866.68 = 81,465.24/x
  3. Step 3: Cross multiply
    141,937.16x = 195,866.68 × 81,465.24
  4. Step 4: Simplify right side
    141,937.16x = 15,956,325,114.87
  5. Step 5: Solve for x
    x = 15,956,325,114.87/141,937.16
  6. Step 6: Final answer
    x = 112,418.24

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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.