Home / 189,456.08-284,230.88-56,335.76

Finding the Fourth Proportional to 189,456.08, 284,230.88 and 56,335.76

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Solution

The fourth proportional to 189,456.08, 284,230.88 and 56,335.76 is: 84,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,456.08 : 284,230.88 = 56,335.76 : x
  2. Step 2: Convert to fraction form
    189,456.08/284,230.88 = 56,335.76/x
  3. Step 3: Cross multiply
    189,456.08x = 284,230.88 × 56,335.76
  4. Step 4: Simplify right side
    189,456.08x = 16,012,362,640.27
  5. Step 5: Solve for x
    x = 16,012,362,640.27/189,456.08
  6. Step 6: Final answer
    x = 84,517.54

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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.