Home / 168,972.17-233,165.76-100,975.61

Finding the Fourth Proportional to 168,972.17, 233,165.76 and 100,975.61

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Solution

The fourth proportional to 168,972.17, 233,165.76 and 100,975.61 is: 139,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,972.17 : 233,165.76 = 100,975.61 : x
  2. Step 2: Convert to fraction form
    168,972.17/233,165.76 = 100,975.61/x
  3. Step 3: Cross multiply
    168,972.17x = 233,165.76 × 100,975.61
  4. Step 4: Simplify right side
    168,972.17x = 23,544,053,681.28
  5. Step 5: Solve for x
    x = 23,544,053,681.28/168,972.17
  6. Step 6: Final answer
    x = 139,336.88

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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.