Home / 212,799.74-293,665.69-117,309.88

Finding the Fourth Proportional to 212,799.74, 293,665.69 and 117,309.88

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Solution

The fourth proportional to 212,799.74, 293,665.69 and 117,309.88 is: 161,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,799.74 : 293,665.69 = 117,309.88 : x
  2. Step 2: Convert to fraction form
    212,799.74/293,665.69 = 117,309.88/x
  3. Step 3: Cross multiply
    212,799.74x = 293,665.69 × 117,309.88
  4. Step 4: Simplify right side
    212,799.74x = 34,449,886,854.02
  5. Step 5: Solve for x
    x = 34,449,886,854.02/212,799.74
  6. Step 6: Final answer
    x = 161,888.76

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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.