Home / 168,023.15-231,871.81-92,571.65

Finding the Fourth Proportional to 168,023.15, 231,871.81 and 92,571.65

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Solution

The fourth proportional to 168,023.15, 231,871.81 and 92,571.65 is: 127,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.15 : 231,871.81 = 92,571.65 : x
  2. Step 2: Convert to fraction form
    168,023.15/231,871.81 = 92,571.65/x
  3. Step 3: Cross multiply
    168,023.15x = 231,871.81 × 92,571.65
  4. Step 4: Simplify right side
    168,023.15x = 21,464,754,649.40
  5. Step 5: Solve for x
    x = 21,464,754,649.40/168,023.15
  6. Step 6: Final answer
    x = 127,748.80

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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.