Home / 288,529.23-398,185.50-173,843.90

Finding the Fourth Proportional to 288,529.23, 398,185.50 and 173,843.90

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Solution

The fourth proportional to 288,529.23, 398,185.50 and 173,843.90 is: 239,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,529.23 : 398,185.50 = 173,843.90 : x
  2. Step 2: Convert to fraction form
    288,529.23/398,185.50 = 173,843.90/x
  3. Step 3: Cross multiply
    288,529.23x = 398,185.50 × 173,843.90
  4. Step 4: Simplify right side
    288,529.23x = 69,222,120,243.45
  5. Step 5: Solve for x
    x = 69,222,120,243.45/288,529.23
  6. Step 6: Final answer
    x = 239,913.72

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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.