Home / 120,584.68-166,417.38-70,282.60

Finding the Fourth Proportional to 120,584.68, 166,417.38 and 70,282.60

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Solution

The fourth proportional to 120,584.68, 166,417.38 and 70,282.60 is: 96,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,584.68 : 166,417.38 = 70,282.60 : x
  2. Step 2: Convert to fraction form
    120,584.68/166,417.38 = 70,282.60/x
  3. Step 3: Cross multiply
    120,584.68x = 166,417.38 × 70,282.60
  4. Step 4: Simplify right side
    120,584.68x = 11,696,246,151.59
  5. Step 5: Solve for x
    x = 11,696,246,151.59/120,584.68
  6. Step 6: Final answer
    x = 96,996.12

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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.