Home / 115,187.34-173,308.05-68,475.18

Finding the Fourth Proportional to 115,187.34, 173,308.05 and 68,475.18

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Solution

The fourth proportional to 115,187.34, 173,308.05 and 68,475.18 is: 103,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,187.34 : 173,308.05 = 68,475.18 : x
  2. Step 2: Convert to fraction form
    115,187.34/173,308.05 = 68,475.18/x
  3. Step 3: Cross multiply
    115,187.34x = 173,308.05 × 68,475.18
  4. Step 4: Simplify right side
    115,187.34x = 11,867,299,919.20
  5. Step 5: Solve for x
    x = 11,867,299,919.20/115,187.34
  6. Step 6: Final answer
    x = 103,026.08

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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.