Home / 189,520.56-284,258.16-49,275.54

Finding the Fourth Proportional to 189,520.56, 284,258.16 and 49,275.54

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Solution

The fourth proportional to 189,520.56, 284,258.16 and 49,275.54 is: 73,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,520.56 : 284,258.16 = 49,275.54 : x
  2. Step 2: Convert to fraction form
    189,520.56/284,258.16 = 49,275.54/x
  3. Step 3: Cross multiply
    189,520.56x = 284,258.16 × 49,275.54
  4. Step 4: Simplify right side
    189,520.56x = 14,006,974,333.41
  5. Step 5: Solve for x
    x = 14,006,974,333.41/189,520.56
  6. Step 6: Final answer
    x = 73,907.41

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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.