Home / 141,473.60-195,168.12-84,786.56

Finding the Fourth Proportional to 141,473.60, 195,168.12 and 84,786.56

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Solution

The fourth proportional to 141,473.60, 195,168.12 and 84,786.56 is: 116,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,473.60 : 195,168.12 = 84,786.56 : x
  2. Step 2: Convert to fraction form
    141,473.60/195,168.12 = 84,786.56/x
  3. Step 3: Cross multiply
    141,473.60x = 195,168.12 × 84,786.56
  4. Step 4: Simplify right side
    141,473.60x = 16,547,633,516.47
  5. Step 5: Solve for x
    x = 16,547,633,516.47/141,473.60
  6. Step 6: Final answer
    x = 116,966.23

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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.