Home / 157,860.79-217,910.25-97,455.85

Finding the Fourth Proportional to 157,860.79, 217,910.25 and 97,455.85

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Solution

The fourth proportional to 157,860.79, 217,910.25 and 97,455.85 is: 134,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,860.79 : 217,910.25 = 97,455.85 : x
  2. Step 2: Convert to fraction form
    157,860.79/217,910.25 = 97,455.85/x
  3. Step 3: Cross multiply
    157,860.79x = 217,910.25 × 97,455.85
  4. Step 4: Simplify right side
    157,860.79x = 21,236,628,092.69
  5. Step 5: Solve for x
    x = 21,236,628,092.69/157,860.79
  6. Step 6: Final answer
    x = 134,527.57

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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.