Home / 112,161.90-168,206.40-37,269.30

Finding the Fourth Proportional to 112,161.90, 168,206.40 and 37,269.30

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Solution

The fourth proportional to 112,161.90, 168,206.40 and 37,269.30 is: 55,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161.90 : 168,206.40 = 37,269.30 : x
  2. Step 2: Convert to fraction form
    112,161.90/168,206.40 = 37,269.30/x
  3. Step 3: Cross multiply
    112,161.90x = 168,206.40 × 37,269.30
  4. Step 4: Simplify right side
    112,161.90x = 6,268,934,783.52
  5. Step 5: Solve for x
    x = 6,268,934,783.52/112,161.90
  6. Step 6: Final answer
    x = 55,891.84

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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.