Home / 214,819.84-296,534.12-143,173.76

Finding the Fourth Proportional to 214,819.84, 296,534.12 and 143,173.76

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Solution

The fourth proportional to 214,819.84, 296,534.12 and 143,173.76 is: 197,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,819.84 : 296,534.12 = 143,173.76 : x
  2. Step 2: Convert to fraction form
    214,819.84/296,534.12 = 143,173.76/x
  3. Step 3: Cross multiply
    214,819.84x = 296,534.12 × 143,173.76
  4. Step 4: Simplify right side
    214,819.84x = 42,455,904,928.69
  5. Step 5: Solve for x
    x = 42,455,904,928.69/214,819.84
  6. Step 6: Final answer
    x = 197,634.93

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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.