Home / 291,928.50-437,890.14-92,248.92

Finding the Fourth Proportional to 291,928.50, 437,890.14 and 92,248.92

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Solution

The fourth proportional to 291,928.50, 437,890.14 and 92,248.92 is: 138,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,928.50 : 437,890.14 = 92,248.92 : x
  2. Step 2: Convert to fraction form
    291,928.50/437,890.14 = 92,248.92/x
  3. Step 3: Cross multiply
    291,928.50x = 437,890.14 × 92,248.92
  4. Step 4: Simplify right side
    291,928.50x = 40,394,892,493.65
  5. Step 5: Solve for x
    x = 40,394,892,493.65/291,928.50
  6. Step 6: Final answer
    x = 138,372.56

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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.