Home / 166,776.90-230,152.28-90,296.06

Finding the Fourth Proportional to 166,776.90, 230,152.28 and 90,296.06

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Solution

The fourth proportional to 166,776.90, 230,152.28 and 90,296.06 is: 124,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,776.90 : 230,152.28 = 90,296.06 : x
  2. Step 2: Convert to fraction form
    166,776.90/230,152.28 = 90,296.06/x
  3. Step 3: Cross multiply
    166,776.90x = 230,152.28 × 90,296.06
  4. Step 4: Simplify right side
    166,776.90x = 20,781,842,481.78
  5. Step 5: Solve for x
    x = 20,781,842,481.78/166,776.90
  6. Step 6: Final answer
    x = 124,608.64

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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.