Home / 125,278.82-187,914.58-46,391.30

Finding the Fourth Proportional to 125,278.82, 187,914.58 and 46,391.30

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Solution

The fourth proportional to 125,278.82, 187,914.58 and 46,391.30 is: 69,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,278.82 : 187,914.58 = 46,391.30 : x
  2. Step 2: Convert to fraction form
    125,278.82/187,914.58 = 46,391.30/x
  3. Step 3: Cross multiply
    125,278.82x = 187,914.58 × 46,391.30
  4. Step 4: Simplify right side
    125,278.82x = 8,717,600,483.62
  5. Step 5: Solve for x
    x = 8,717,600,483.62/125,278.82
  6. Step 6: Final answer
    x = 69,585.59

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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.