Home / 240,603.48-360,678.24-82,721.52

Finding the Fourth Proportional to 240,603.48, 360,678.24 and 82,721.52

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Solution

The fourth proportional to 240,603.48, 360,678.24 and 82,721.52 is: 124,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,603.48 : 360,678.24 = 82,721.52 : x
  2. Step 2: Convert to fraction form
    240,603.48/360,678.24 = 82,721.52/x
  3. Step 3: Cross multiply
    240,603.48x = 360,678.24 × 82,721.52
  4. Step 4: Simplify right side
    240,603.48x = 29,835,852,243.72
  5. Step 5: Solve for x
    x = 29,835,852,243.72/240,603.48
  6. Step 6: Final answer
    x = 124,004.24

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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.