Home / 129,620.60-194,430.90-36,126.35

Finding the Fourth Proportional to 129,620.60, 194,430.90 and 36,126.35

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Solution

The fourth proportional to 129,620.60, 194,430.90 and 36,126.35 is: 54,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,620.60 : 194,430.90 = 36,126.35 : x
  2. Step 2: Convert to fraction form
    129,620.60/194,430.90 = 36,126.35/x
  3. Step 3: Cross multiply
    129,620.60x = 194,430.90 × 36,126.35
  4. Step 4: Simplify right side
    129,620.60x = 7,024,078,744.22
  5. Step 5: Solve for x
    x = 7,024,078,744.22/129,620.60
  6. Step 6: Final answer
    x = 54,189.53

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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.