Home / 186,753.43-279,638.07-111,695.59

Finding the Fourth Proportional to 186,753.43, 279,638.07 and 111,695.59

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Solution

The fourth proportional to 186,753.43, 279,638.07 and 111,695.59 is: 167,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,753.43 : 279,638.07 = 111,695.59 : x
  2. Step 2: Convert to fraction form
    186,753.43/279,638.07 = 111,695.59/x
  3. Step 3: Cross multiply
    186,753.43x = 279,638.07 × 111,695.59
  4. Step 4: Simplify right side
    186,753.43x = 31,234,339,215.11
  5. Step 5: Solve for x
    x = 31,234,339,215.11/186,753.43
  6. Step 6: Final answer
    x = 167,249.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.