Home / 214,577.12-296,170.20-123,985.71

Finding the Fourth Proportional to 214,577.12, 296,170.20 and 123,985.71

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Solution

The fourth proportional to 214,577.12, 296,170.20 and 123,985.71 is: 171,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,577.12 : 296,170.20 = 123,985.71 : x
  2. Step 2: Convert to fraction form
    214,577.12/296,170.20 = 123,985.71/x
  3. Step 3: Cross multiply
    214,577.12x = 296,170.20 × 123,985.71
  4. Step 4: Simplify right side
    214,577.12x = 36,720,872,527.84
  5. Step 5: Solve for x
    x = 36,720,872,527.84/214,577.12
  6. Step 6: Final answer
    x = 171,131.35

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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.