Home / 110,000.20-165,000.30-57,397.38

Finding the Fourth Proportional to 110,000.20, 165,000.30 and 57,397.38

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Solution

The fourth proportional to 110,000.20, 165,000.30 and 57,397.38 is: 86,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,000.20 : 165,000.30 = 57,397.38 : x
  2. Step 2: Convert to fraction form
    110,000.20/165,000.30 = 57,397.38/x
  3. Step 3: Cross multiply
    110,000.20x = 165,000.30 × 57,397.38
  4. Step 4: Simplify right side
    110,000.20x = 9,470,584,919.21
  5. Step 5: Solve for x
    x = 9,470,584,919.21/110,000.20
  6. Step 6: Final answer
    x = 86,096.07

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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.