Home / 207,384.10-310,942.23-113,864.74

Finding the Fourth Proportional to 207,384.10, 310,942.23 and 113,864.74

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Solution

The fourth proportional to 207,384.10, 310,942.23 and 113,864.74 is: 170,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,384.10 : 310,942.23 = 113,864.74 : x
  2. Step 2: Convert to fraction form
    207,384.10/310,942.23 = 113,864.74/x
  3. Step 3: Cross multiply
    207,384.10x = 310,942.23 × 113,864.74
  4. Step 4: Simplify right side
    207,384.10x = 35,405,356,173.97
  5. Step 5: Solve for x
    x = 35,405,356,173.97/207,384.10
  6. Step 6: Final answer
    x = 170,723.58

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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.