Home / 166,032.32-229,128.24-90,580.76

Finding the Fourth Proportional to 166,032.32, 229,128.24 and 90,580.76

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Solution

The fourth proportional to 166,032.32, 229,128.24 and 90,580.76 is: 125,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,032.32 : 229,128.24 = 90,580.76 : x
  2. Step 2: Convert to fraction form
    166,032.32/229,128.24 = 90,580.76/x
  3. Step 3: Cross multiply
    166,032.32x = 229,128.24 × 90,580.76
  4. Step 4: Simplify right side
    166,032.32x = 20,754,610,116.66
  5. Step 5: Solve for x
    x = 20,754,610,116.66/166,032.32
  6. Step 6: Final answer
    x = 125,003.43

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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.