Home / 168,972.67-233,166.45-100,976.11

Finding the Fourth Proportional to 168,972.67, 233,166.45 and 100,976.11

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Solution

The fourth proportional to 168,972.67, 233,166.45 and 100,976.11 is: 139,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,972.67 : 233,166.45 = 100,976.11 : x
  2. Step 2: Convert to fraction form
    168,972.67/233,166.45 = 100,976.11/x
  3. Step 3: Cross multiply
    168,972.67x = 233,166.45 × 100,976.11
  4. Step 4: Simplify right side
    168,972.67x = 23,544,239,937.68
  5. Step 5: Solve for x
    x = 23,544,239,937.68/168,972.67
  6. Step 6: Final answer
    x = 139,337.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.