Home / 282,721.15-424,151.44-140,633.82

Finding the Fourth Proportional to 282,721.15, 424,151.44 and 140,633.82

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Solution

The fourth proportional to 282,721.15, 424,151.44 and 140,633.82 is: 210,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,721.15 : 424,151.44 = 140,633.82 : x
  2. Step 2: Convert to fraction form
    282,721.15/424,151.44 = 140,633.82/x
  3. Step 3: Cross multiply
    282,721.15x = 424,151.44 × 140,633.82
  4. Step 4: Simplify right side
    282,721.15x = 59,650,036,914.12
  5. Step 5: Solve for x
    x = 59,650,036,914.12/282,721.15
  6. Step 6: Final answer
    x = 210,985.41

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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.