Home / 112,173.03-168,332.31-67,160.46

Finding the Fourth Proportional to 112,173.03, 168,332.31 and 67,160.46

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Solution

The fourth proportional to 112,173.03, 168,332.31 and 67,160.46 is: 100,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.03 : 168,332.31 = 67,160.46 : x
  2. Step 2: Convert to fraction form
    112,173.03/168,332.31 = 67,160.46/x
  3. Step 3: Cross multiply
    112,173.03x = 168,332.31 × 67,160.46
  4. Step 4: Simplify right side
    112,173.03x = 11,305,275,372.46
  5. Step 5: Solve for x
    x = 11,305,275,372.46/112,173.03
  6. Step 6: Final answer
    x = 100,784.26

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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.