Home / 120,934.02-166,886.07-67,218.54

Finding the Fourth Proportional to 120,934.02, 166,886.07 and 67,218.54

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Solution

The fourth proportional to 120,934.02, 166,886.07 and 67,218.54 is: 92,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,934.02 : 166,886.07 = 67,218.54 : x
  2. Step 2: Convert to fraction form
    120,934.02/166,886.07 = 67,218.54/x
  3. Step 3: Cross multiply
    120,934.02x = 166,886.07 × 67,218.54
  4. Step 4: Simplify right side
    120,934.02x = 11,217,837,971.74
  5. Step 5: Solve for x
    x = 11,217,837,971.74/120,934.02
  6. Step 6: Final answer
    x = 92,759.99

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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.