Home / 314,741.72-472,186.33-125,212.86

Finding the Fourth Proportional to 314,741.72, 472,186.33 and 125,212.86

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Solution

The fourth proportional to 314,741.72, 472,186.33 and 125,212.86 is: 187,848.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,741.72 : 472,186.33 = 125,212.86 : x
  2. Step 2: Convert to fraction form
    314,741.72/472,186.33 = 125,212.86/x
  3. Step 3: Cross multiply
    314,741.72x = 472,186.33 × 125,212.86
  4. Step 4: Simplify right side
    314,741.72x = 59,123,800,519.17
  5. Step 5: Solve for x
    x = 59,123,800,519.17/314,741.72
  6. Step 6: Final answer
    x = 187,848.63

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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.