Home / 218,697.32-301,803.36-123,205.52

Finding the Fourth Proportional to 218,697.32, 301,803.36 and 123,205.52

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Solution

The fourth proportional to 218,697.32, 301,803.36 and 123,205.52 is: 170,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,697.32 : 301,803.36 = 123,205.52 : x
  2. Step 2: Convert to fraction form
    218,697.32/301,803.36 = 123,205.52/x
  3. Step 3: Cross multiply
    218,697.32x = 301,803.36 × 123,205.52
  4. Step 4: Simplify right side
    218,697.32x = 37,183,839,906.55
  5. Step 5: Solve for x
    x = 37,183,839,906.55/218,697.32
  6. Step 6: Final answer
    x = 170,024.21

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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.