Home / 193,031.90-289,586.57-66,676.76

Finding the Fourth Proportional to 193,031.90, 289,586.57 and 66,676.76

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Solution

The fourth proportional to 193,031.90, 289,586.57 and 66,676.76 is: 100,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,031.90 : 289,586.57 = 66,676.76 : x
  2. Step 2: Convert to fraction form
    193,031.90/289,586.57 = 66,676.76/x
  3. Step 3: Cross multiply
    193,031.90x = 289,586.57 × 66,676.76
  4. Step 4: Simplify right side
    193,031.90x = 19,308,692,445.80
  5. Step 5: Solve for x
    x = 19,308,692,445.80/193,031.90
  6. Step 6: Final answer
    x = 100,028.51

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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.