Home / 141,552.83-195,343.57-81,127.05

Finding the Fourth Proportional to 141,552.83, 195,343.57 and 81,127.05

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Solution

The fourth proportional to 141,552.83, 195,343.57 and 81,127.05 is: 111,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,552.83 : 195,343.57 = 81,127.05 : x
  2. Step 2: Convert to fraction form
    141,552.83/195,343.57 = 81,127.05/x
  3. Step 3: Cross multiply
    141,552.83x = 195,343.57 × 81,127.05
  4. Step 4: Simplify right side
    141,552.83x = 15,847,646,939.44
  5. Step 5: Solve for x
    x = 15,847,646,939.44/141,552.83
  6. Step 6: Final answer
    x = 111,955.70

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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.