Home / 110,530.20-165,795.30-100,853.40

Finding the Fourth Proportional to 110,530.20, 165,795.30 and 100,853.40

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Solution

The fourth proportional to 110,530.20, 165,795.30 and 100,853.40 is: 151,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,530.20 : 165,795.30 = 100,853.40 : x
  2. Step 2: Convert to fraction form
    110,530.20/165,795.30 = 100,853.40/x
  3. Step 3: Cross multiply
    110,530.20x = 165,795.30 × 100,853.40
  4. Step 4: Simplify right side
    110,530.20x = 16,721,019,709.02
  5. Step 5: Solve for x
    x = 16,721,019,709.02/110,530.20
  6. Step 6: Final answer
    x = 151,280.10

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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.