Home / 212,667.81-293,494.64-117,174.48

Finding the Fourth Proportional to 212,667.81, 293,494.64 and 117,174.48

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Solution

The fourth proportional to 212,667.81, 293,494.64 and 117,174.48 is: 161,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,667.81 : 293,494.64 = 117,174.48 : x
  2. Step 2: Convert to fraction form
    212,667.81/293,494.64 = 117,174.48/x
  3. Step 3: Cross multiply
    212,667.81x = 293,494.64 × 117,174.48
  4. Step 4: Simplify right side
    212,667.81x = 34,390,081,238.91
  5. Step 5: Solve for x
    x = 34,390,081,238.91/212,667.81
  6. Step 6: Final answer
    x = 161,707.98

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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.