Home / 288,132.69-397,675.15-171,853.61

Finding the Fourth Proportional to 288,132.69, 397,675.15 and 171,853.61

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Solution

The fourth proportional to 288,132.69, 397,675.15 and 171,853.61 is: 237,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,132.69 : 397,675.15 = 171,853.61 : x
  2. Step 2: Convert to fraction form
    288,132.69/397,675.15 = 171,853.61/x
  3. Step 3: Cross multiply
    288,132.69x = 397,675.15 × 171,853.61
  4. Step 4: Simplify right side
    288,132.69x = 68,341,907,716.78
  5. Step 5: Solve for x
    x = 68,341,907,716.78/288,132.69
  6. Step 6: Final answer
    x = 237,189.01

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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.