Home / 207,340.02-310,995.42-80,956.52

Finding the Fourth Proportional to 207,340.02, 310,995.42 and 80,956.52

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Solution

The fourth proportional to 207,340.02, 310,995.42 and 80,956.52 is: 121,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,340.02 : 310,995.42 = 80,956.52 : x
  2. Step 2: Convert to fraction form
    207,340.02/310,995.42 = 80,956.52/x
  3. Step 3: Cross multiply
    207,340.02x = 310,995.42 × 80,956.52
  4. Step 4: Simplify right side
    207,340.02x = 25,177,106,939.14
  5. Step 5: Solve for x
    x = 25,177,106,939.14/207,340.02
  6. Step 6: Final answer
    x = 121,429.08

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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.