Home / 159,572.34-220,247.37-99,188.60

Finding the Fourth Proportional to 159,572.34, 220,247.37 and 99,188.60

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Solution

The fourth proportional to 159,572.34, 220,247.37 and 99,188.60 is: 136,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,572.34 : 220,247.37 = 99,188.60 : x
  2. Step 2: Convert to fraction form
    159,572.34/220,247.37 = 99,188.60/x
  3. Step 3: Cross multiply
    159,572.34x = 220,247.37 × 99,188.60
  4. Step 4: Simplify right side
    159,572.34x = 21,846,027,182.75
  5. Step 5: Solve for x
    x = 21,846,027,182.75/159,572.34
  6. Step 6: Final answer
    x = 136,903.60

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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.