Home / 312,733.32-469,157.66-102,382.92

Finding the Fourth Proportional to 312,733.32, 469,157.66 and 102,382.92

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Solution

The fourth proportional to 312,733.32, 469,157.66 and 102,382.92 is: 153,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,733.32 : 469,157.66 = 102,382.92 : x
  2. Step 2: Convert to fraction form
    312,733.32/469,157.66 = 102,382.92/x
  3. Step 3: Cross multiply
    312,733.32x = 469,157.66 × 102,382.92
  4. Step 4: Simplify right side
    312,733.32x = 48,033,731,171.17
  5. Step 5: Solve for x
    x = 48,033,731,171.17/312,733.32
  6. Step 6: Final answer
    x = 153,593.26

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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.