Home / 109,550.26-164,393.43-70,135.66

Finding the Fourth Proportional to 109,550.26, 164,393.43 and 70,135.66

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Solution

The fourth proportional to 109,550.26, 164,393.43 and 70,135.66 is: 105,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,550.26 : 164,393.43 = 70,135.66 : x
  2. Step 2: Convert to fraction form
    109,550.26/164,393.43 = 70,135.66/x
  3. Step 3: Cross multiply
    109,550.26x = 164,393.43 × 70,135.66
  4. Step 4: Simplify right side
    109,550.26x = 11,529,841,712.71
  5. Step 5: Solve for x
    x = 11,529,841,712.71/109,550.26
  6. Step 6: Final answer
    x = 105,247.05

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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.