Home / 288,150.48-397,625.75-167,272.30

Finding the Fourth Proportional to 288,150.48, 397,625.75 and 167,272.30

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Solution

The fourth proportional to 288,150.48, 397,625.75 and 167,272.30 is: 230,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,150.48 : 397,625.75 = 167,272.30 : x
  2. Step 2: Convert to fraction form
    288,150.48/397,625.75 = 167,272.30/x
  3. Step 3: Cross multiply
    288,150.48x = 397,625.75 × 167,272.30
  4. Step 4: Simplify right side
    288,150.48x = 66,511,773,741.73
  5. Step 5: Solve for x
    x = 66,511,773,741.73/288,150.48
  6. Step 6: Final answer
    x = 230,823.05

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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.