Home / 219,386.13-329,079.19-53,174.13

Finding the Fourth Proportional to 219,386.13, 329,079.19 and 53,174.13

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Solution

The fourth proportional to 219,386.13, 329,079.19 and 53,174.13 is: 79,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,386.13 : 329,079.19 = 53,174.13 : x
  2. Step 2: Convert to fraction form
    219,386.13/329,079.19 = 53,174.13/x
  3. Step 3: Cross multiply
    219,386.13x = 329,079.19 × 53,174.13
  4. Step 4: Simplify right side
    219,386.13x = 17,498,499,629.35
  5. Step 5: Solve for x
    x = 17,498,499,629.35/219,386.13
  6. Step 6: Final answer
    x = 79,761.19

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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.