Home / 110,254.20-165,381.30-100,412.70

Finding the Fourth Proportional to 110,254.20, 165,381.30 and 100,412.70

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Solution

The fourth proportional to 110,254.20, 165,381.30 and 100,412.70 is: 150,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,254.20 : 165,381.30 = 100,412.70 : x
  2. Step 2: Convert to fraction form
    110,254.20/165,381.30 = 100,412.70/x
  3. Step 3: Cross multiply
    110,254.20x = 165,381.30 × 100,412.70
  4. Step 4: Simplify right side
    110,254.20x = 16,606,382,862.51
  5. Step 5: Solve for x
    x = 16,606,382,862.51/110,254.20
  6. Step 6: Final answer
    x = 150,619.05

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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.