Home / 201,916.01-302,815.69-68,793.32

Finding the Fourth Proportional to 201,916.01, 302,815.69 and 68,793.32

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Solution

The fourth proportional to 201,916.01, 302,815.69 and 68,793.32 is: 103,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,916.01 : 302,815.69 = 68,793.32 : x
  2. Step 2: Convert to fraction form
    201,916.01/302,815.69 = 68,793.32/x
  3. Step 3: Cross multiply
    201,916.01x = 302,815.69 × 68,793.32
  4. Step 4: Simplify right side
    201,916.01x = 20,831,695,149.11
  5. Step 5: Solve for x
    x = 20,831,695,149.11/201,916.01
  6. Step 6: Final answer
    x = 103,170.10

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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.