Home / 166,228.02-229,395.51-90,776.52

Finding the Fourth Proportional to 166,228.02, 229,395.51 and 90,776.52

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Solution

The fourth proportional to 166,228.02, 229,395.51 and 90,776.52 is: 125,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,228.02 : 229,395.51 = 90,776.52 : x
  2. Step 2: Convert to fraction form
    166,228.02/229,395.51 = 90,776.52/x
  3. Step 3: Cross multiply
    166,228.02x = 229,395.51 × 90,776.52
  4. Step 4: Simplify right side
    166,228.02x = 20,823,726,101.43
  5. Step 5: Solve for x
    x = 20,823,726,101.43/166,228.02
  6. Step 6: Final answer
    x = 125,272.06

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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.