Home / 168,046.48-231,893.33-100,068.45

Finding the Fourth Proportional to 168,046.48, 231,893.33 and 100,068.45

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Solution

The fourth proportional to 168,046.48, 231,893.33 and 100,068.45 is: 138,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,046.48 : 231,893.33 = 100,068.45 : x
  2. Step 2: Convert to fraction form
    168,046.48/231,893.33 = 100,068.45/x
  3. Step 3: Cross multiply
    168,046.48x = 231,893.33 × 100,068.45
  4. Step 4: Simplify right side
    168,046.48x = 23,205,205,291.38
  5. Step 5: Solve for x
    x = 23,205,205,291.38/168,046.48
  6. Step 6: Final answer
    x = 138,088.02

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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.