Home / 113,103.38-169,673.70-38,228.06

Finding the Fourth Proportional to 113,103.38, 169,673.70 and 38,228.06

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Solution

The fourth proportional to 113,103.38, 169,673.70 and 38,228.06 is: 57,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103.38 : 169,673.70 = 38,228.06 : x
  2. Step 2: Convert to fraction form
    113,103.38/169,673.70 = 38,228.06/x
  3. Step 3: Cross multiply
    113,103.38x = 169,673.70 × 38,228.06
  4. Step 4: Simplify right side
    113,103.38x = 6,486,296,384.02
  5. Step 5: Solve for x
    x = 6,486,296,384.02/113,103.38
  6. Step 6: Final answer
    x = 57,348.39

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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.