Home / 349,154.46-523,961.36-191,493.63

Finding the Fourth Proportional to 349,154.46, 523,961.36 and 191,493.63

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Solution

The fourth proportional to 349,154.46, 523,961.36 and 191,493.63 is: 287,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,154.46 : 523,961.36 = 191,493.63 : x
  2. Step 2: Convert to fraction form
    349,154.46/523,961.36 = 191,493.63/x
  3. Step 3: Cross multiply
    349,154.46x = 523,961.36 × 191,493.63
  4. Step 4: Simplify right side
    349,154.46x = 100,335,262,806.14
  5. Step 5: Solve for x
    x = 100,335,262,806.14/349,154.46
  6. Step 6: Final answer
    x = 287,366.41

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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.