Home / 141,912.95-195,868.25-81,525.02

Finding the Fourth Proportional to 141,912.95, 195,868.25 and 81,525.02

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Solution

The fourth proportional to 141,912.95, 195,868.25 and 81,525.02 is: 112,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912.95 : 195,868.25 = 81,525.02 : x
  2. Step 2: Convert to fraction form
    141,912.95/195,868.25 = 81,525.02/x
  3. Step 3: Cross multiply
    141,912.95x = 195,868.25 × 81,525.02
  4. Step 4: Simplify right side
    141,912.95x = 15,968,163,386.38
  5. Step 5: Solve for x
    x = 15,968,163,386.38/141,912.95
  6. Step 6: Final answer
    x = 112,520.83

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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.