Home / 207,272.16-310,908.24-82,700.64

Finding the Fourth Proportional to 207,272.16, 310,908.24 and 82,700.64

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Solution

The fourth proportional to 207,272.16, 310,908.24 and 82,700.64 is: 124,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,272.16 : 310,908.24 = 82,700.64 : x
  2. Step 2: Convert to fraction form
    207,272.16/310,908.24 = 82,700.64/x
  3. Step 3: Cross multiply
    207,272.16x = 310,908.24 × 82,700.64
  4. Step 4: Simplify right side
    207,272.16x = 25,712,310,429.27
  5. Step 5: Solve for x
    x = 25,712,310,429.27/207,272.16
  6. Step 6: Final answer
    x = 124,050.96

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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.