Home / 288,851.42-398,652.09-161,534.18

Finding the Fourth Proportional to 288,851.42, 398,652.09 and 161,534.18

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Solution

The fourth proportional to 288,851.42, 398,652.09 and 161,534.18 is: 222,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,851.42 : 398,652.09 = 161,534.18 : x
  2. Step 2: Convert to fraction form
    288,851.42/398,652.09 = 161,534.18/x
  3. Step 3: Cross multiply
    288,851.42x = 398,652.09 × 161,534.18
  4. Step 4: Simplify right side
    288,851.42x = 64,395,938,463.44
  5. Step 5: Solve for x
    x = 64,395,938,463.44/288,851.42
  6. Step 6: Final answer
    x = 222,937.93

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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.