Home / 115,518.40-173,277.60-108,606.40

Finding the Fourth Proportional to 115,518.40, 173,277.60 and 108,606.40

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Solution

The fourth proportional to 115,518.40, 173,277.60 and 108,606.40 is: 162,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,518.40 : 173,277.60 = 108,606.40 : x
  2. Step 2: Convert to fraction form
    115,518.40/173,277.60 = 108,606.40/x
  3. Step 3: Cross multiply
    115,518.40x = 173,277.60 × 108,606.40
  4. Step 4: Simplify right side
    115,518.40x = 18,819,056,336.64
  5. Step 5: Solve for x
    x = 18,819,056,336.64/115,518.40
  6. Step 6: Final answer
    x = 162,909.60

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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.