Home / 195,820.61-270,230.09-109,779.17

Finding the Fourth Proportional to 195,820.61, 270,230.09 and 109,779.17

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Solution

The fourth proportional to 195,820.61, 270,230.09 and 109,779.17 is: 151,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,820.61 : 270,230.09 = 109,779.17 : x
  2. Step 2: Convert to fraction form
    195,820.61/270,230.09 = 109,779.17/x
  3. Step 3: Cross multiply
    195,820.61x = 270,230.09 × 109,779.17
  4. Step 4: Simplify right side
    195,820.61x = 29,665,633,089.18
  5. Step 5: Solve for x
    x = 29,665,633,089.18/195,820.61
  6. Step 6: Final answer
    x = 151,493.93

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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.