Home / 196,389.88-271,019.86-111,508.76

Finding the Fourth Proportional to 196,389.88, 271,019.86 and 111,508.76

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Solution

The fourth proportional to 196,389.88, 271,019.86 and 111,508.76 is: 153,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,389.88 : 271,019.86 = 111,508.76 : x
  2. Step 2: Convert to fraction form
    196,389.88/271,019.86 = 111,508.76/x
  3. Step 3: Cross multiply
    196,389.88x = 271,019.86 × 111,508.76
  4. Step 4: Simplify right side
    196,389.88x = 30,221,088,523.97
  5. Step 5: Solve for x
    x = 30,221,088,523.97/196,389.88
  6. Step 6: Final answer
    x = 153,883.13

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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.