Home / 109,530.68-151,152.34-59,229.68

Finding the Fourth Proportional to 109,530.68, 151,152.34 and 59,229.68

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Solution

The fourth proportional to 109,530.68, 151,152.34 and 59,229.68 is: 81,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,530.68 : 151,152.34 = 59,229.68 : x
  2. Step 2: Convert to fraction form
    109,530.68/151,152.34 = 59,229.68/x
  3. Step 3: Cross multiply
    109,530.68x = 151,152.34 × 59,229.68
  4. Step 4: Simplify right side
    109,530.68x = 8,952,704,729.45
  5. Step 5: Solve for x
    x = 8,952,704,729.45/109,530.68
  6. Step 6: Final answer
    x = 81,736.96

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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.