Home / 141,438.02-195,184.20-81,028.22

Finding the Fourth Proportional to 141,438.02, 195,184.20 and 81,028.22

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Solution

The fourth proportional to 141,438.02, 195,184.20 and 81,028.22 is: 111,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,438.02 : 195,184.20 = 81,028.22 : x
  2. Step 2: Convert to fraction form
    141,438.02/195,184.20 = 81,028.22/x
  3. Step 3: Cross multiply
    141,438.02x = 195,184.20 × 81,028.22
  4. Step 4: Simplify right side
    141,438.02x = 15,815,428,298.12
  5. Step 5: Solve for x
    x = 15,815,428,298.12/141,438.02
  6. Step 6: Final answer
    x = 111,818.79

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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.