Home / 120,794.48-166,700.66-67,080.40

Finding the Fourth Proportional to 120,794.48, 166,700.66 and 67,080.40

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Solution

The fourth proportional to 120,794.48, 166,700.66 and 67,080.40 is: 92,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,794.48 : 166,700.66 = 67,080.40 : x
  2. Step 2: Convert to fraction form
    120,794.48/166,700.66 = 67,080.40/x
  3. Step 3: Cross multiply
    120,794.48x = 166,700.66 × 67,080.40
  4. Step 4: Simplify right side
    120,794.48x = 11,182,346,953.06
  5. Step 5: Solve for x
    x = 11,182,346,953.06/120,794.48
  6. Step 6: Final answer
    x = 92,573.33

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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.