Home / 196,445.76-271,095.14-107,021.76

Finding the Fourth Proportional to 196,445.76, 271,095.14 and 107,021.76

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Solution

The fourth proportional to 196,445.76, 271,095.14 and 107,021.76 is: 147,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,445.76 : 271,095.14 = 107,021.76 : x
  2. Step 2: Convert to fraction form
    196,445.76/271,095.14 = 107,021.76/x
  3. Step 3: Cross multiply
    196,445.76x = 271,095.14 × 107,021.76
  4. Step 4: Simplify right side
    196,445.76x = 29,013,079,010.25
  5. Step 5: Solve for x
    x = 29,013,079,010.25/196,445.76
  6. Step 6: Final answer
    x = 147,690.02

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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.