Home / 166,637.57-229,959.18-90,156.41

Finding the Fourth Proportional to 166,637.57, 229,959.18 and 90,156.41

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Solution

The fourth proportional to 166,637.57, 229,959.18 and 90,156.41 is: 124,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,637.57 : 229,959.18 = 90,156.41 : x
  2. Step 2: Convert to fraction form
    166,637.57/229,959.18 = 90,156.41/x
  3. Step 3: Cross multiply
    166,637.57x = 229,959.18 × 90,156.41
  4. Step 4: Simplify right side
    166,637.57x = 20,732,292,965.55
  5. Step 5: Solve for x
    x = 20,732,292,965.55/166,637.57
  6. Step 6: Final answer
    x = 124,415.48

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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.