Home / 288,150.24-397,647.81-160,825.80

Finding the Fourth Proportional to 288,150.24, 397,647.81 and 160,825.80

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Solution

The fourth proportional to 288,150.24, 397,647.81 and 160,825.80 is: 221,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,150.24 : 397,647.81 = 160,825.80 : x
  2. Step 2: Convert to fraction form
    288,150.24/397,647.81 = 160,825.80/x
  3. Step 3: Cross multiply
    288,150.24x = 397,647.81 × 160,825.80
  4. Step 4: Simplify right side
    288,150.24x = 63,952,027,161.50
  5. Step 5: Solve for x
    x = 63,952,027,161.50/288,150.24
  6. Step 6: Final answer
    x = 221,939.87

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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.