Home / 168,147.12-232,035.84-91,664.39

Finding the Fourth Proportional to 168,147.12, 232,035.84 and 91,664.39

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Solution

The fourth proportional to 168,147.12, 232,035.84 and 91,664.39 is: 126,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,147.12 : 232,035.84 = 91,664.39 : x
  2. Step 2: Convert to fraction form
    168,147.12/232,035.84 = 91,664.39/x
  3. Step 3: Cross multiply
    168,147.12x = 232,035.84 × 91,664.39
  4. Step 4: Simplify right side
    168,147.12x = 21,269,423,731.74
  5. Step 5: Solve for x
    x = 21,269,423,731.74/168,147.12
  6. Step 6: Final answer
    x = 126,492.94

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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.