Home / 196,780.12-271,559.70-107,356.12

Finding the Fourth Proportional to 196,780.12, 271,559.70 and 107,356.12

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Solution

The fourth proportional to 196,780.12, 271,559.70 and 107,356.12 is: 148,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,780.12 : 271,559.70 = 107,356.12 : x
  2. Step 2: Convert to fraction form
    196,780.12/271,559.70 = 107,356.12/x
  3. Step 3: Cross multiply
    196,780.12x = 271,559.70 × 107,356.12
  4. Step 4: Simplify right side
    196,780.12x = 29,153,595,740.36
  5. Step 5: Solve for x
    x = 29,153,595,740.36/196,780.12
  6. Step 6: Final answer
    x = 148,153.16

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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.