Home / 110,490.10-165,625.80-54,284.20

Finding the Fourth Proportional to 110,490.10, 165,625.80 and 54,284.20

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Solution

The fourth proportional to 110,490.10, 165,625.80 and 54,284.20 is: 81,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,490.10 : 165,625.80 = 54,284.20 : x
  2. Step 2: Convert to fraction form
    110,490.10/165,625.80 = 54,284.20/x
  3. Step 3: Cross multiply
    110,490.10x = 165,625.80 × 54,284.20
  4. Step 4: Simplify right side
    110,490.10x = 8,990,864,052.36
  5. Step 5: Solve for x
    x = 8,990,864,052.36/110,490.10
  6. Step 6: Final answer
    x = 81,372.58

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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.