Home / 203,487.10-305,230.65-92,895.10

Finding the Fourth Proportional to 203,487.10, 305,230.65 and 92,895.10

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Solution

The fourth proportional to 203,487.10, 305,230.65 and 92,895.10 is: 139,342.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,487.10 : 305,230.65 = 92,895.10 : x
  2. Step 2: Convert to fraction form
    203,487.10/305,230.65 = 92,895.10/x
  3. Step 3: Cross multiply
    203,487.10x = 305,230.65 × 92,895.10
  4. Step 4: Simplify right side
    203,487.10x = 28,354,431,754.82
  5. Step 5: Solve for x
    x = 28,354,431,754.82/203,487.10
  6. Step 6: Final answer
    x = 139,342.65

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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.