Home / 288,036.37-397,426.56-167,107.61

Finding the Fourth Proportional to 288,036.37, 397,426.56 and 167,107.61

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Solution

The fourth proportional to 288,036.37, 397,426.56 and 167,107.61 is: 230,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,036.37 : 397,426.56 = 167,107.61 : x
  2. Step 2: Convert to fraction form
    288,036.37/397,426.56 = 167,107.61/x
  3. Step 3: Cross multiply
    288,036.37x = 397,426.56 × 167,107.61
  4. Step 4: Simplify right side
    288,036.37x = 66,413,002,592.12
  5. Step 5: Solve for x
    x = 66,413,002,592.12/288,036.37
  6. Step 6: Final answer
    x = 230,571.59

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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.