Home / 168,008.40-231,849-92,559.60

Finding the Fourth Proportional to 168,008.40, 231,849 and 92,559.60

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Solution

The fourth proportional to 168,008.40, 231,849 and 92,559.60 is: 127,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,008.40 : 231,849 = 92,559.60 : x
  2. Step 2: Convert to fraction form
    168,008.40/231,849 = 92,559.60/x
  3. Step 3: Cross multiply
    168,008.40x = 231,849 × 92,559.60
  4. Step 4: Simplify right side
    168,008.40x = 21,459,850,700.40
  5. Step 5: Solve for x
    x = 21,459,850,700.40/168,008.40
  6. Step 6: Final answer
    x = 127,730.82

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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.