Home / 201,325.15-301,766.28-82,931.91

Finding the Fourth Proportional to 201,325.15, 301,766.28 and 82,931.91

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Solution

The fourth proportional to 201,325.15, 301,766.28 and 82,931.91 is: 124,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,325.15 : 301,766.28 = 82,931.91 : x
  2. Step 2: Convert to fraction form
    201,325.15/301,766.28 = 82,931.91/x
  3. Step 3: Cross multiply
    201,325.15x = 301,766.28 × 82,931.91
  4. Step 4: Simplify right side
    201,325.15x = 25,026,053,973.99
  5. Step 5: Solve for x
    x = 25,026,053,973.99/201,325.15
  6. Step 6: Final answer
    x = 124,306.65

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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.