Home / 217,087.46-299,577.20-121,593.86

Finding the Fourth Proportional to 217,087.46, 299,577.20 and 121,593.86

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Solution

The fourth proportional to 217,087.46, 299,577.20 and 121,593.86 is: 167,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,087.46 : 299,577.20 = 121,593.86 : x
  2. Step 2: Convert to fraction form
    217,087.46/299,577.20 = 121,593.86/x
  3. Step 3: Cross multiply
    217,087.46x = 299,577.20 × 121,593.86
  4. Step 4: Simplify right side
    217,087.46x = 36,426,748,115.99
  5. Step 5: Solve for x
    x = 36,426,748,115.99/217,087.46
  6. Step 6: Final answer
    x = 167,797.57

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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.