Home / 109,009.40-163,298.10-96,020.60

Finding the Fourth Proportional to 109,009.40, 163,298.10 and 96,020.60

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Solution

The fourth proportional to 109,009.40, 163,298.10 and 96,020.60 is: 143,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,009.40 : 163,298.10 = 96,020.60 : x
  2. Step 2: Convert to fraction form
    109,009.40/163,298.10 = 96,020.60/x
  3. Step 3: Cross multiply
    109,009.40x = 163,298.10 × 96,020.60
  4. Step 4: Simplify right side
    109,009.40x = 15,679,981,540.86
  5. Step 5: Solve for x
    x = 15,679,981,540.86/109,009.40
  6. Step 6: Final answer
    x = 143,840.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.