Home / 212,830.68-293,719.56-117,337.22

Finding the Fourth Proportional to 212,830.68, 293,719.56 and 117,337.22

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Solution

The fourth proportional to 212,830.68, 293,719.56 and 117,337.22 is: 161,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,830.68 : 293,719.56 = 117,337.22 : x
  2. Step 2: Convert to fraction form
    212,830.68/293,719.56 = 117,337.22/x
  3. Step 3: Cross multiply
    212,830.68x = 293,719.56 × 117,337.22
  4. Step 4: Simplify right side
    212,830.68x = 34,464,236,630.02
  5. Step 5: Solve for x
    x = 34,464,236,630.02/212,830.68
  6. Step 6: Final answer
    x = 161,932.65

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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.