Home / 125,212.72-187,687.86-46,276.60

Finding the Fourth Proportional to 125,212.72, 187,687.86 and 46,276.60

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Solution

The fourth proportional to 125,212.72, 187,687.86 and 46,276.60 is: 69,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,212.72 : 187,687.86 = 46,276.60 : x
  2. Step 2: Convert to fraction form
    125,212.72/187,687.86 = 46,276.60/x
  3. Step 3: Cross multiply
    125,212.72x = 187,687.86 × 46,276.60
  4. Step 4: Simplify right side
    125,212.72x = 8,685,556,022.08
  5. Step 5: Solve for x
    x = 8,685,556,022.08/125,212.72
  6. Step 6: Final answer
    x = 69,366.40

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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.