Home / 115,943.90-173,656.65-113,351.90

Finding the Fourth Proportional to 115,943.90, 173,656.65 and 113,351.90

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Solution

The fourth proportional to 115,943.90, 173,656.65 and 113,351.90 is: 169,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943.90 : 173,656.65 = 113,351.90 : x
  2. Step 2: Convert to fraction form
    115,943.90/173,656.65 = 113,351.90/x
  3. Step 3: Cross multiply
    115,943.90x = 173,656.65 × 113,351.90
  4. Step 4: Simplify right side
    115,943.90x = 19,684,311,225.14
  5. Step 5: Solve for x
    x = 19,684,311,225.14/115,943.90
  6. Step 6: Final answer
    x = 169,774.44

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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.