Home / 212,578.11-293,351.72-115,779.76

Finding the Fourth Proportional to 212,578.11, 293,351.72 and 115,779.76

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Solution

The fourth proportional to 212,578.11, 293,351.72 and 115,779.76 is: 159,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,578.11 : 293,351.72 = 115,779.76 : x
  2. Step 2: Convert to fraction form
    212,578.11/293,351.72 = 115,779.76/x
  3. Step 3: Cross multiply
    212,578.11x = 293,351.72 × 115,779.76
  4. Step 4: Simplify right side
    212,578.11x = 33,964,190,424.91
  5. Step 5: Solve for x
    x = 33,964,190,424.91/212,578.11
  6. Step 6: Final answer
    x = 159,772.76

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1.5x scale

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.