Home / 120,501.02-166,291.42-66,794.12

Finding the Fourth Proportional to 120,501.02, 166,291.42 and 66,794.12

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Solution

The fourth proportional to 120,501.02, 166,291.42 and 66,794.12 is: 92,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,501.02 : 166,291.42 = 66,794.12 : x
  2. Step 2: Convert to fraction form
    120,501.02/166,291.42 = 66,794.12/x
  3. Step 3: Cross multiply
    120,501.02x = 166,291.42 × 66,794.12
  4. Step 4: Simplify right side
    120,501.02x = 11,107,289,062.45
  5. Step 5: Solve for x
    x = 11,107,289,062.45/120,501.02
  6. Step 6: Final answer
    x = 92,175.89

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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.