Home / 193,122.01-289,695.98-66,774.57

Finding the Fourth Proportional to 193,122.01, 289,695.98 and 66,774.57

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Solution

The fourth proportional to 193,122.01, 289,695.98 and 66,774.57 is: 100,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,122.01 : 289,695.98 = 66,774.57 : x
  2. Step 2: Convert to fraction form
    193,122.01/289,695.98 = 66,774.57/x
  3. Step 3: Cross multiply
    193,122.01x = 289,695.98 × 66,774.57
  4. Step 4: Simplify right side
    193,122.01x = 19,344,324,495.23
  5. Step 5: Solve for x
    x = 19,344,324,495.23/193,122.01
  6. Step 6: Final answer
    x = 100,166.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.