Home / 165,620.40-248,434.67-60,439.35

Finding the Fourth Proportional to 165,620.40, 248,434.67 and 60,439.35

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Solution

The fourth proportional to 165,620.40, 248,434.67 and 60,439.35 is: 90,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,620.40 : 248,434.67 = 60,439.35 : x
  2. Step 2: Convert to fraction form
    165,620.40/248,434.67 = 60,439.35/x
  3. Step 3: Cross multiply
    165,620.40x = 248,434.67 × 60,439.35
  4. Step 4: Simplify right side
    165,620.40x = 15,015,229,670.07
  5. Step 5: Solve for x
    x = 15,015,229,670.07/165,620.40
  6. Step 6: Final answer
    x = 90,660.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.