Home / 462,555.20-693,832.80-130,131.20

Finding the Fourth Proportional to 462,555.20, 693,832.80 and 130,131.20

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Solution

The fourth proportional to 462,555.20, 693,832.80 and 130,131.20 is: 195,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,555.20 : 693,832.80 = 130,131.20 : x
  2. Step 2: Convert to fraction form
    462,555.20/693,832.80 = 130,131.20/x
  3. Step 3: Cross multiply
    462,555.20x = 693,832.80 × 130,131.20
  4. Step 4: Simplify right side
    462,555.20x = 90,289,294,863.36
  5. Step 5: Solve for x
    x = 90,289,294,863.36/462,555.20
  6. Step 6: Final answer
    x = 195,196.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.