Home / 165,621.40-248,436.17-60,440.35

Finding the Fourth Proportional to 165,621.40, 248,436.17 and 60,440.35

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Solution

The fourth proportional to 165,621.40, 248,436.17 and 60,440.35 is: 90,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,621.40 : 248,436.17 = 60,440.35 : x
  2. Step 2: Convert to fraction form
    165,621.40/248,436.17 = 60,440.35/x
  3. Step 3: Cross multiply
    165,621.40x = 248,436.17 × 60,440.35
  4. Step 4: Simplify right side
    165,621.40x = 15,015,569,067.46
  5. Step 5: Solve for x
    x = 15,015,569,067.46/165,621.40
  6. Step 6: Final answer
    x = 90,662.01

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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.