Home / 196,437.86-271,086.14-111,555.53

Finding the Fourth Proportional to 196,437.86, 271,086.14 and 111,555.53

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Solution

The fourth proportional to 196,437.86, 271,086.14 and 111,555.53 is: 153,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,437.86 : 271,086.14 = 111,555.53 : x
  2. Step 2: Convert to fraction form
    196,437.86/271,086.14 = 111,555.53/x
  3. Step 3: Cross multiply
    196,437.86x = 271,086.14 × 111,555.53
  4. Step 4: Simplify right side
    196,437.86x = 30,241,158,023.35
  5. Step 5: Solve for x
    x = 30,241,158,023.35/196,437.86
  6. Step 6: Final answer
    x = 153,947.71

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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.