Home / 282,911.16-424,380-93,388.04

Finding the Fourth Proportional to 282,911.16, 424,380 and 93,388.04

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Solution

The fourth proportional to 282,911.16, 424,380 and 93,388.04 is: 140,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,911.16 : 424,380 = 93,388.04 : x
  2. Step 2: Convert to fraction form
    282,911.16/424,380 = 93,388.04/x
  3. Step 3: Cross multiply
    282,911.16x = 424,380 × 93,388.04
  4. Step 4: Simplify right side
    282,911.16x = 39,632,016,415.20
  5. Step 5: Solve for x
    x = 39,632,016,415.20/282,911.16
  6. Step 6: Final answer
    x = 140,086.44

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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.