Home / 166,774.65-230,149.16-90,293.81

Finding the Fourth Proportional to 166,774.65, 230,149.16 and 90,293.81

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Solution

The fourth proportional to 166,774.65, 230,149.16 and 90,293.81 is: 124,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,774.65 : 230,149.16 = 90,293.81 : x
  2. Step 2: Convert to fraction form
    166,774.65/230,149.16 = 90,293.81/x
  3. Step 3: Cross multiply
    166,774.65x = 230,149.16 × 90,293.81
  4. Step 4: Simplify right side
    166,774.65x = 20,781,042,922.48
  5. Step 5: Solve for x
    x = 20,781,042,922.48/166,774.65
  6. Step 6: Final answer
    x = 124,605.53

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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.