Home / 282,821.52-424,232.40-83,141.92

Finding the Fourth Proportional to 282,821.52, 424,232.40 and 83,141.92

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Solution

The fourth proportional to 282,821.52, 424,232.40 and 83,141.92 is: 124,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,821.52 : 424,232.40 = 83,141.92 : x
  2. Step 2: Convert to fraction form
    282,821.52/424,232.40 = 83,141.92/x
  3. Step 3: Cross multiply
    282,821.52x = 424,232.40 × 83,141.92
  4. Step 4: Simplify right side
    282,821.52x = 35,271,496,262.21
  5. Step 5: Solve for x
    x = 35,271,496,262.21/282,821.52
  6. Step 6: Final answer
    x = 124,712.92

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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.