Home / 204,038.48-280,883.76-168,171.68

Finding the Fourth Proportional to 204,038.48, 280,883.76 and 168,171.68

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Solution

The fourth proportional to 204,038.48, 280,883.76 and 168,171.68 is: 231,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,038.48 : 280,883.76 = 168,171.68 : x
  2. Step 2: Convert to fraction form
    204,038.48/280,883.76 = 168,171.68/x
  3. Step 3: Cross multiply
    204,038.48x = 280,883.76 × 168,171.68
  4. Step 4: Simplify right side
    204,038.48x = 47,236,693,803.92
  5. Step 5: Solve for x
    x = 47,236,693,803.92/204,038.48
  6. Step 6: Final answer
    x = 231,508.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.