Home / 222,178.24-306,606.17-121,576.24

Finding the Fourth Proportional to 222,178.24, 306,606.17 and 121,576.24

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Solution

The fourth proportional to 222,178.24, 306,606.17 and 121,576.24 is: 167,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,178.24 : 306,606.17 = 121,576.24 : x
  2. Step 2: Convert to fraction form
    222,178.24/306,606.17 = 121,576.24/x
  3. Step 3: Cross multiply
    222,178.24x = 306,606.17 × 121,576.24
  4. Step 4: Simplify right side
    222,178.24x = 37,276,023,776.37
  5. Step 5: Solve for x
    x = 37,276,023,776.37/222,178.24
  6. Step 6: Final answer
    x = 167,775.32

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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.