Home / 306,120.16-459,167.52-106,485.76

Finding the Fourth Proportional to 306,120.16, 459,167.52 and 106,485.76

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Solution

The fourth proportional to 306,120.16, 459,167.52 and 106,485.76 is: 159,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,120.16 : 459,167.52 = 106,485.76 : x
  2. Step 2: Convert to fraction form
    306,120.16/459,167.52 = 106,485.76/x
  3. Step 3: Cross multiply
    306,120.16x = 459,167.52 × 106,485.76
  4. Step 4: Simplify right side
    306,120.16x = 48,894,802,334.52
  5. Step 5: Solve for x
    x = 48,894,802,334.52/306,120.16
  6. Step 6: Final answer
    x = 159,724.22

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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.