Home / 215,799.84-323,738.64-66,037.44

Finding the Fourth Proportional to 215,799.84, 323,738.64 and 66,037.44

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Solution

The fourth proportional to 215,799.84, 323,738.64 and 66,037.44 is: 99,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,799.84 : 323,738.64 = 66,037.44 : x
  2. Step 2: Convert to fraction form
    215,799.84/323,738.64 = 66,037.44/x
  3. Step 3: Cross multiply
    215,799.84x = 323,738.64 × 66,037.44
  4. Step 4: Simplify right side
    215,799.84x = 21,378,871,014.68
  5. Step 5: Solve for x
    x = 21,378,871,014.68/215,799.84
  6. Step 6: Final answer
    x = 99,068.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.