Home / 262,345.80-393,555.33-129,227.16

Finding the Fourth Proportional to 262,345.80, 393,555.33 and 129,227.16

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Solution

The fourth proportional to 262,345.80, 393,555.33 and 129,227.16 is: 193,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,345.80 : 393,555.33 = 129,227.16 : x
  2. Step 2: Convert to fraction form
    262,345.80/393,555.33 = 129,227.16/x
  3. Step 3: Cross multiply
    262,345.80x = 393,555.33 × 129,227.16
  4. Step 4: Simplify right side
    262,345.80x = 50,858,037,598.76
  5. Step 5: Solve for x
    x = 50,858,037,598.76/262,345.80
  6. Step 6: Final answer
    x = 193,858.78

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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.