Home / 109,749.60-164,624.40-108,583.20

Finding the Fourth Proportional to 109,749.60, 164,624.40 and 108,583.20

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Solution

The fourth proportional to 109,749.60, 164,624.40 and 108,583.20 is: 162,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,749.60 : 164,624.40 = 108,583.20 : x
  2. Step 2: Convert to fraction form
    109,749.60/164,624.40 = 108,583.20/x
  3. Step 3: Cross multiply
    109,749.60x = 164,624.40 × 108,583.20
  4. Step 4: Simplify right side
    109,749.60x = 17,875,444,150.08
  5. Step 5: Solve for x
    x = 17,875,444,150.08/109,749.60
  6. Step 6: Final answer
    x = 162,874.80

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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.