Home / 212,851.17-293,747.85-117,357.72

Finding the Fourth Proportional to 212,851.17, 293,747.85 and 117,357.72

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Solution

The fourth proportional to 212,851.17, 293,747.85 and 117,357.72 is: 161,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,851.17 : 293,747.85 = 117,357.72 : x
  2. Step 2: Convert to fraction form
    212,851.17/293,747.85 = 117,357.72/x
  3. Step 3: Cross multiply
    212,851.17x = 293,747.85 × 117,357.72
  4. Step 4: Simplify right side
    212,851.17x = 34,473,577,930.90
  5. Step 5: Solve for x
    x = 34,473,577,930.90/212,851.17
  6. Step 6: Final answer
    x = 161,960.95

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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.