Home / 168,021.48-231,867.84-96,412.77

Finding the Fourth Proportional to 168,021.48, 231,867.84 and 96,412.77

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Solution

The fourth proportional to 168,021.48, 231,867.84 and 96,412.77 is: 133,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,021.48 : 231,867.84 = 96,412.77 : x
  2. Step 2: Convert to fraction form
    168,021.48/231,867.84 = 96,412.77/x
  3. Step 3: Cross multiply
    168,021.48x = 231,867.84 × 96,412.77
  4. Step 4: Simplify right side
    168,021.48x = 22,355,020,728.32
  5. Step 5: Solve for x
    x = 22,355,020,728.32/168,021.48
  6. Step 6: Final answer
    x = 133,048.59

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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.