Home / 207,150.31-285,824.55-121,092.67

Finding the Fourth Proportional to 207,150.31, 285,824.55 and 121,092.67

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Solution

The fourth proportional to 207,150.31, 285,824.55 and 121,092.67 is: 167,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,150.31 : 285,824.55 = 121,092.67 : x
  2. Step 2: Convert to fraction form
    207,150.31/285,824.55 = 121,092.67/x
  3. Step 3: Cross multiply
    207,150.31x = 285,824.55 × 121,092.67
  4. Step 4: Simplify right side
    207,150.31x = 34,611,257,911.05
  5. Step 5: Solve for x
    x = 34,611,257,911.05/207,150.31
  6. Step 6: Final answer
    x = 167,082.82

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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.