Home / 110,100.05-165,150.08-74,670.65

Finding the Fourth Proportional to 110,100.05, 165,150.08 and 74,670.65

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Solution

The fourth proportional to 110,100.05, 165,150.08 and 74,670.65 is: 112,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,100.05 : 165,150.08 = 74,670.65 : x
  2. Step 2: Convert to fraction form
    110,100.05/165,150.08 = 74,670.65/x
  3. Step 3: Cross multiply
    110,100.05x = 165,150.08 × 74,670.65
  4. Step 4: Simplify right side
    110,100.05x = 12,331,863,447.80
  5. Step 5: Solve for x
    x = 12,331,863,447.80/110,100.05
  6. Step 6: Final answer
    x = 112,005.98

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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.