Home / 136,683.92-205,095.04-92,217.25

Finding the Fourth Proportional to 136,683.92, 205,095.04 and 92,217.25

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Solution

The fourth proportional to 136,683.92, 205,095.04 and 92,217.25 is: 138,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,683.92 : 205,095.04 = 92,217.25 : x
  2. Step 2: Convert to fraction form
    136,683.92/205,095.04 = 92,217.25/x
  3. Step 3: Cross multiply
    136,683.92x = 205,095.04 × 92,217.25
  4. Step 4: Simplify right side
    136,683.92x = 18,913,300,603.27
  5. Step 5: Solve for x
    x = 18,913,300,603.27/136,683.92
  6. Step 6: Final answer
    x = 138,372.53

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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.