Home / 282,936.92-390,450.98-160,452.43

Finding the Fourth Proportional to 282,936.92, 390,450.98 and 160,452.43

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Solution

The fourth proportional to 282,936.92, 390,450.98 and 160,452.43 is: 221,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,936.92 : 390,450.98 = 160,452.43 : x
  2. Step 2: Convert to fraction form
    282,936.92/390,450.98 = 160,452.43/x
  3. Step 3: Cross multiply
    282,936.92x = 390,450.98 × 160,452.43
  4. Step 4: Simplify right side
    282,936.92x = 62,648,807,961.89
  5. Step 5: Solve for x
    x = 62,648,807,961.89/282,936.92
  6. Step 6: Final answer
    x = 221,423.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.