Home / 141,998.95-195,968.06-81,589.15

Finding the Fourth Proportional to 141,998.95, 195,968.06 and 81,589.15

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Solution

The fourth proportional to 141,998.95, 195,968.06 and 81,589.15 is: 112,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,998.95 : 195,968.06 = 81,589.15 : x
  2. Step 2: Convert to fraction form
    141,998.95/195,968.06 = 81,589.15/x
  3. Step 3: Cross multiply
    141,998.95x = 195,968.06 × 81,589.15
  4. Step 4: Simplify right side
    141,998.95x = 15,988,867,442.55
  5. Step 5: Solve for x
    x = 15,988,867,442.55/141,998.95
  6. Step 6: Final answer
    x = 112,598.49

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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.