Home / 216,467.28-298,724.16-120,973.92

Finding the Fourth Proportional to 216,467.28, 298,724.16 and 120,973.92

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Solution

The fourth proportional to 216,467.28, 298,724.16 and 120,973.92 is: 166,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,467.28 : 298,724.16 = 120,973.92 : x
  2. Step 2: Convert to fraction form
    216,467.28/298,724.16 = 120,973.92/x
  3. Step 3: Cross multiply
    216,467.28x = 298,724.16 × 120,973.92
  4. Step 4: Simplify right side
    216,467.28x = 36,137,832,633.91
  5. Step 5: Solve for x
    x = 36,137,832,633.91/216,467.28
  6. Step 6: Final answer
    x = 166,943.63

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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.