Home / 189,043.18-284,861.11-156,493.60

Finding the Fourth Proportional to 189,043.18, 284,861.11 and 156,493.60

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Solution

The fourth proportional to 189,043.18, 284,861.11 and 156,493.60 is: 235,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,043.18 : 284,861.11 = 156,493.60 : x
  2. Step 2: Convert to fraction form
    189,043.18/284,861.11 = 156,493.60/x
  3. Step 3: Cross multiply
    189,043.18x = 284,861.11 × 156,493.60
  4. Step 4: Simplify right side
    189,043.18x = 44,578,940,603.90
  5. Step 5: Solve for x
    x = 44,578,940,603.90/189,043.18
  6. Step 6: Final answer
    x = 235,813.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.