Home / 141,699.20-195,538.56-81,226.48

Finding the Fourth Proportional to 141,699.20, 195,538.56 and 81,226.48

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Solution

The fourth proportional to 141,699.20, 195,538.56 and 81,226.48 is: 112,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,699.20 : 195,538.56 = 81,226.48 : x
  2. Step 2: Convert to fraction form
    141,699.20/195,538.56 = 81,226.48/x
  3. Step 3: Cross multiply
    141,699.20x = 195,538.56 × 81,226.48
  4. Step 4: Simplify right side
    141,699.20x = 15,882,908,933.07
  5. Step 5: Solve for x
    x = 15,882,908,933.07/141,699.20
  6. Step 6: Final answer
    x = 112,088.91

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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.