Home / 141,927.75-195,851.36-81,455.83

Finding the Fourth Proportional to 141,927.75, 195,851.36 and 81,455.83

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Solution

The fourth proportional to 141,927.75, 195,851.36 and 81,455.83 is: 112,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927.75 : 195,851.36 = 81,455.83 : x
  2. Step 2: Convert to fraction form
    141,927.75/195,851.36 = 81,455.83/x
  3. Step 3: Cross multiply
    141,927.75x = 195,851.36 × 81,455.83
  4. Step 4: Simplify right side
    141,927.75x = 15,953,235,167.78
  5. Step 5: Solve for x
    x = 15,953,235,167.78/141,927.75
  6. Step 6: Final answer
    x = 112,403.92

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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.