Home / 619,132.76-928,624.26-169,890.20

Finding the Fourth Proportional to 619,132.76, 928,624.26 and 169,890.20

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Solution

The fourth proportional to 619,132.76, 928,624.26 and 169,890.20 is: 254,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,132.76 : 928,624.26 = 169,890.20 : x
  2. Step 2: Convert to fraction form
    619,132.76/928,624.26 = 169,890.20/x
  3. Step 3: Cross multiply
    619,132.76x = 928,624.26 × 169,890.20
  4. Step 4: Simplify right side
    619,132.76x = 157,764,161,256.25
  5. Step 5: Solve for x
    x = 157,764,161,256.25/619,132.76
  6. Step 6: Final answer
    x = 254,814.75

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Double scale
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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.