Home / 288,118.53-397,565.13-167,258.43

Finding the Fourth Proportional to 288,118.53, 397,565.13 and 167,258.43

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Solution

The fourth proportional to 288,118.53, 397,565.13 and 167,258.43 is: 230,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,118.53 : 397,565.13 = 167,258.43 : x
  2. Step 2: Convert to fraction form
    288,118.53/397,565.13 = 167,258.43/x
  3. Step 3: Cross multiply
    288,118.53x = 397,565.13 × 167,258.43
  4. Step 4: Simplify right side
    288,118.53x = 66,496,119,466.55
  5. Step 5: Solve for x
    x = 66,496,119,466.55/288,118.53
  6. Step 6: Final answer
    x = 230,794.32

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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.