Home / 207,840.72-286,428.26-150,382.76

Finding the Fourth Proportional to 207,840.72, 286,428.26 and 150,382.76

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Solution

The fourth proportional to 207,840.72, 286,428.26 and 150,382.76 is: 207,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,840.72 : 286,428.26 = 150,382.76 : x
  2. Step 2: Convert to fraction form
    207,840.72/286,428.26 = 150,382.76/x
  3. Step 3: Cross multiply
    207,840.72x = 286,428.26 × 150,382.76
  4. Step 4: Simplify right side
    207,840.72x = 43,073,870,096.74
  5. Step 5: Solve for x
    x = 43,073,870,096.74/207,840.72
  6. Step 6: Final answer
    x = 207,244.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.