Home / 227,642.11-314,146.58-125,667.72

Finding the Fourth Proportional to 227,642.11, 314,146.58 and 125,667.72

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Solution

The fourth proportional to 227,642.11, 314,146.58 and 125,667.72 is: 173,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,642.11 : 314,146.58 = 125,667.72 : x
  2. Step 2: Convert to fraction form
    227,642.11/314,146.58 = 125,667.72/x
  3. Step 3: Cross multiply
    227,642.11x = 314,146.58 × 125,667.72
  4. Step 4: Simplify right side
    227,642.11x = 39,478,082,883.66
  5. Step 5: Solve for x
    x = 39,478,082,883.66/227,642.11
  6. Step 6: Final answer
    x = 173,421.71

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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.