Home / 212,668.19-293,495.15-117,174.86

Finding the Fourth Proportional to 212,668.19, 293,495.15 and 117,174.86

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Solution

The fourth proportional to 212,668.19, 293,495.15 and 117,174.86 is: 161,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,668.19 : 293,495.15 = 117,174.86 : x
  2. Step 2: Convert to fraction form
    212,668.19/293,495.15 = 117,174.86/x
  3. Step 3: Cross multiply
    212,668.19x = 293,495.15 × 117,174.86
  4. Step 4: Simplify right side
    212,668.19x = 34,390,251,937.39
  5. Step 5: Solve for x
    x = 34,390,251,937.39/212,668.19
  6. Step 6: Final answer
    x = 161,708.49

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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.