Home / 109,651.52-151,322.75-67,201.85

Finding the Fourth Proportional to 109,651.52, 151,322.75 and 67,201.85

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Solution

The fourth proportional to 109,651.52, 151,322.75 and 67,201.85 is: 92,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,651.52 : 151,322.75 = 67,201.85 : x
  2. Step 2: Convert to fraction form
    109,651.52/151,322.75 = 67,201.85/x
  3. Step 3: Cross multiply
    109,651.52x = 151,322.75 × 67,201.85
  4. Step 4: Simplify right side
    109,651.52x = 10,169,168,158.48
  5. Step 5: Solve for x
    x = 10,169,168,158.48/109,651.52
  6. Step 6: Final answer
    x = 92,740.79

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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.