Home / 261,549.87-392,322.50-173,198.58

Finding the Fourth Proportional to 261,549.87, 392,322.50 and 173,198.58

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Solution

The fourth proportional to 261,549.87, 392,322.50 and 173,198.58 is: 259,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,549.87 : 392,322.50 = 173,198.58 : x
  2. Step 2: Convert to fraction form
    261,549.87/392,322.50 = 173,198.58/x
  3. Step 3: Cross multiply
    261,549.87x = 392,322.50 × 173,198.58
  4. Step 4: Simplify right side
    261,549.87x = 67,949,699,902.05
  5. Step 5: Solve for x
    x = 67,949,699,902.05/261,549.87
  6. Step 6: Final answer
    x = 259,796.34

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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.