Home / 166,906.04-230,329.37-90,426.65

Finding the Fourth Proportional to 166,906.04, 230,329.37 and 90,426.65

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Solution

The fourth proportional to 166,906.04, 230,329.37 and 90,426.65 is: 124,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,906.04 : 230,329.37 = 90,426.65 : x
  2. Step 2: Convert to fraction form
    166,906.04/230,329.37 = 90,426.65/x
  3. Step 3: Cross multiply
    166,906.04x = 230,329.37 × 90,426.65
  4. Step 4: Simplify right side
    166,906.04x = 20,827,912,400.13
  5. Step 5: Solve for x
    x = 20,827,912,400.13/166,906.04
  6. Step 6: Final answer
    x = 124,788.25

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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.