Home / 214,621.63-296,191.68-123,981.41

Finding the Fourth Proportional to 214,621.63, 296,191.68 and 123,981.41

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Solution

The fourth proportional to 214,621.63, 296,191.68 and 123,981.41 is: 171,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,621.63 : 296,191.68 = 123,981.41 : x
  2. Step 2: Convert to fraction form
    214,621.63/296,191.68 = 123,981.41/x
  3. Step 3: Cross multiply
    214,621.63x = 296,191.68 × 123,981.41
  4. Step 4: Simplify right side
    214,621.63x = 36,722,262,116.67
  5. Step 5: Solve for x
    x = 36,722,262,116.67/214,621.63
  6. Step 6: Final answer
    x = 171,102.34

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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.