Home / 288,200.03-397,699.54-160,883.69

Finding the Fourth Proportional to 288,200.03, 397,699.54 and 160,883.69

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Solution

The fourth proportional to 288,200.03, 397,699.54 and 160,883.69 is: 222,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,200.03 : 397,699.54 = 160,883.69 : x
  2. Step 2: Convert to fraction form
    288,200.03/397,699.54 = 160,883.69/x
  3. Step 3: Cross multiply
    288,200.03x = 397,699.54 × 160,883.69
  4. Step 4: Simplify right side
    288,200.03x = 63,983,367,115.80
  5. Step 5: Solve for x
    x = 63,983,367,115.80/288,200.03
  6. Step 6: Final answer
    x = 222,010.28

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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.