Home / 166,303.13-229,498.31-90,851.63

Finding the Fourth Proportional to 166,303.13, 229,498.31 and 90,851.63

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Solution

The fourth proportional to 166,303.13, 229,498.31 and 90,851.63 is: 125,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,303.13 : 229,498.31 = 90,851.63 : x
  2. Step 2: Convert to fraction form
    166,303.13/229,498.31 = 90,851.63/x
  3. Step 3: Cross multiply
    166,303.13x = 229,498.31 × 90,851.63
  4. Step 4: Simplify right side
    166,303.13x = 20,850,294,625.38
  5. Step 5: Solve for x
    x = 20,850,294,625.38/166,303.13
  6. Step 6: Final answer
    x = 125,375.24

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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.