Home / 201,185.64-301,590.95-67,972.84

Finding the Fourth Proportional to 201,185.64, 301,590.95 and 67,972.84

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Solution

The fourth proportional to 201,185.64, 301,590.95 and 67,972.84 is: 101,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,185.64 : 301,590.95 = 67,972.84 : x
  2. Step 2: Convert to fraction form
    201,185.64/301,590.95 = 67,972.84/x
  3. Step 3: Cross multiply
    201,185.64x = 301,590.95 × 67,972.84
  4. Step 4: Simplify right side
    201,185.64x = 20,499,992,295.96
  5. Step 5: Solve for x
    x = 20,499,992,295.96/201,185.64
  6. Step 6: Final answer
    x = 101,895.90

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1.5x scale

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.