Home / 129,774.70-194,647.65-106,360.30

Finding the Fourth Proportional to 129,774.70, 194,647.65 and 106,360.30

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Solution

The fourth proportional to 129,774.70, 194,647.65 and 106,360.30 is: 159,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,774.70 : 194,647.65 = 106,360.30 : x
  2. Step 2: Convert to fraction form
    129,774.70/194,647.65 = 106,360.30/x
  3. Step 3: Cross multiply
    129,774.70x = 194,647.65 × 106,360.30
  4. Step 4: Simplify right side
    129,774.70x = 20,702,782,448.30
  5. Step 5: Solve for x
    x = 20,702,782,448.30/129,774.70
  6. Step 6: Final answer
    x = 159,528.65

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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.