Home / 141,113.14-194,735.88-80,684.92

Finding the Fourth Proportional to 141,113.14, 194,735.88 and 80,684.92

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Solution

The fourth proportional to 141,113.14, 194,735.88 and 80,684.92 is: 111,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,113.14 : 194,735.88 = 80,684.92 : x
  2. Step 2: Convert to fraction form
    141,113.14/194,735.88 = 80,684.92/x
  3. Step 3: Cross multiply
    141,113.14x = 194,735.88 × 80,684.92
  4. Step 4: Simplify right side
    141,113.14x = 15,712,248,898.93
  5. Step 5: Solve for x
    x = 15,712,248,898.93/141,113.14
  6. Step 6: Final answer
    x = 111,345.04

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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.