Home / 110,458.08-165,706.56-40,435.20

Finding the Fourth Proportional to 110,458.08, 165,706.56 and 40,435.20

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Solution

The fourth proportional to 110,458.08, 165,706.56 and 40,435.20 is: 60,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,458.08 : 165,706.56 = 40,435.20 : x
  2. Step 2: Convert to fraction form
    110,458.08/165,706.56 = 40,435.20/x
  3. Step 3: Cross multiply
    110,458.08x = 165,706.56 × 40,435.20
  4. Step 4: Simplify right side
    110,458.08x = 6,700,377,894.91
  5. Step 5: Solve for x
    x = 6,700,377,894.91/110,458.08
  6. Step 6: Final answer
    x = 60,659.92

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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.