Home / 227,077.62-313,391.75-125,113.54

Finding the Fourth Proportional to 227,077.62, 313,391.75 and 125,113.54

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Solution

The fourth proportional to 227,077.62, 313,391.75 and 125,113.54 is: 172,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,077.62 : 313,391.75 = 125,113.54 : x
  2. Step 2: Convert to fraction form
    227,077.62/313,391.75 = 125,113.54/x
  3. Step 3: Cross multiply
    227,077.62x = 313,391.75 × 125,113.54
  4. Step 4: Simplify right side
    227,077.62x = 39,209,549,840.25
  5. Step 5: Solve for x
    x = 39,209,549,840.25/227,077.62
  6. Step 6: Final answer
    x = 172,670.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.