Home / 125,446.08-188,161.82-91,746.24

Finding the Fourth Proportional to 125,446.08, 188,161.82 and 91,746.24

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Solution

The fourth proportional to 125,446.08, 188,161.82 and 91,746.24 is: 137,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,446.08 : 188,161.82 = 91,746.24 : x
  2. Step 2: Convert to fraction form
    125,446.08/188,161.82 = 91,746.24/x
  3. Step 3: Cross multiply
    125,446.08x = 188,161.82 × 91,746.24
  4. Step 4: Simplify right side
    125,446.08x = 17,263,139,496.56
  5. Step 5: Solve for x
    x = 17,263,139,496.56/125,446.08
  6. Step 6: Final answer
    x = 137,614.02

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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.