Home / 110,529.20-165,793.80-100,852.40

Finding the Fourth Proportional to 110,529.20, 165,793.80 and 100,852.40

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Solution

The fourth proportional to 110,529.20, 165,793.80 and 100,852.40 is: 151,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,529.20 : 165,793.80 = 100,852.40 : x
  2. Step 2: Convert to fraction form
    110,529.20/165,793.80 = 100,852.40/x
  3. Step 3: Cross multiply
    110,529.20x = 165,793.80 × 100,852.40
  4. Step 4: Simplify right side
    110,529.20x = 16,720,702,635.12
  5. Step 5: Solve for x
    x = 16,720,702,635.12/110,529.20
  6. Step 6: Final answer
    x = 151,278.60

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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.