Home / 191,002.14-263,469.78-130,542.12

Finding the Fourth Proportional to 191,002.14, 263,469.78 and 130,542.12

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Solution

The fourth proportional to 191,002.14, 263,469.78 and 130,542.12 is: 180,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,002.14 : 263,469.78 = 130,542.12 : x
  2. Step 2: Convert to fraction form
    191,002.14/263,469.78 = 130,542.12/x
  3. Step 3: Cross multiply
    191,002.14x = 263,469.78 × 130,542.12
  4. Step 4: Simplify right side
    191,002.14x = 34,393,903,637.13
  5. Step 5: Solve for x
    x = 34,393,903,637.13/191,002.14
  6. Step 6: Final answer
    x = 180,070.78

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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.