Home / 166,751.46-230,116.77-90,270.18

Finding the Fourth Proportional to 166,751.46, 230,116.77 and 90,270.18

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Solution

The fourth proportional to 166,751.46, 230,116.77 and 90,270.18 is: 124,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,751.46 : 230,116.77 = 90,270.18 : x
  2. Step 2: Convert to fraction form
    166,751.46/230,116.77 = 90,270.18/x
  3. Step 3: Cross multiply
    166,751.46x = 230,116.77 × 90,270.18
  4. Step 4: Simplify right side
    166,751.46x = 20,772,682,248.92
  5. Step 5: Solve for x
    x = 20,772,682,248.92/166,751.46
  6. Step 6: Final answer
    x = 124,572.72

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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.