Home / 288,932.60-398,705.34-161,583.59

Finding the Fourth Proportional to 288,932.60, 398,705.34 and 161,583.59

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Solution

The fourth proportional to 288,932.60, 398,705.34 and 161,583.59 is: 222,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,932.60 : 398,705.34 = 161,583.59 : x
  2. Step 2: Convert to fraction form
    288,932.60/398,705.34 = 161,583.59/x
  3. Step 3: Cross multiply
    288,932.60x = 398,705.34 × 161,583.59
  4. Step 4: Simplify right side
    288,932.60x = 64,424,241,886.50
  5. Step 5: Solve for x
    x = 64,424,241,886.50/288,932.60
  6. Step 6: Final answer
    x = 222,973.25

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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.