Home / 165,612.48-248,422.80-60,431.43

Finding the Fourth Proportional to 165,612.48, 248,422.80 and 60,431.43

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Solution

The fourth proportional to 165,612.48, 248,422.80 and 60,431.43 is: 90,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,612.48 : 248,422.80 = 60,431.43 : x
  2. Step 2: Convert to fraction form
    165,612.48/248,422.80 = 60,431.43/x
  3. Step 3: Cross multiply
    165,612.48x = 248,422.80 × 60,431.43
  4. Step 4: Simplify right side
    165,612.48x = 15,012,545,048.60
  5. Step 5: Solve for x
    x = 15,012,545,048.60/165,612.48
  6. Step 6: Final answer
    x = 90,648.63

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1.5x scale

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.