Home / 288,148.48-397,622.99-167,270.30

Finding the Fourth Proportional to 288,148.48, 397,622.99 and 167,270.30

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Solution

The fourth proportional to 288,148.48, 397,622.99 and 167,270.30 is: 230,820.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,148.48 : 397,622.99 = 167,270.30 : x
  2. Step 2: Convert to fraction form
    288,148.48/397,622.99 = 167,270.30/x
  3. Step 3: Cross multiply
    288,148.48x = 397,622.99 × 167,270.30
  4. Step 4: Simplify right side
    288,148.48x = 66,510,516,824.20
  5. Step 5: Solve for x
    x = 66,510,516,824.20/288,148.48
  6. Step 6: Final answer
    x = 230,820.29

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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.