Home / 112,169.90-168,253.47-27,930.76

Finding the Fourth Proportional to 112,169.90, 168,253.47 and 27,930.76

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Solution

The fourth proportional to 112,169.90, 168,253.47 and 27,930.76 is: 41,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,169.90 : 168,253.47 = 27,930.76 : x
  2. Step 2: Convert to fraction form
    112,169.90/168,253.47 = 27,930.76/x
  3. Step 3: Cross multiply
    112,169.90x = 168,253.47 × 27,930.76
  4. Step 4: Simplify right side
    112,169.90x = 4,699,446,869.10
  5. Step 5: Solve for x
    x = 4,699,446,869.10/112,169.90
  6. Step 6: Final answer
    x = 41,895.79

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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.