Home / 207,399.02-310,845.80-107,504.16

Finding the Fourth Proportional to 207,399.02, 310,845.80 and 107,504.16

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Solution

The fourth proportional to 207,399.02, 310,845.80 and 107,504.16 is: 161,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,399.02 : 310,845.80 = 107,504.16 : x
  2. Step 2: Convert to fraction form
    207,399.02/310,845.80 = 107,504.16/x
  3. Step 3: Cross multiply
    207,399.02x = 310,845.80 × 107,504.16
  4. Step 4: Simplify right side
    207,399.02x = 33,417,216,618.53
  5. Step 5: Solve for x
    x = 33,417,216,618.53/207,399.02
  6. Step 6: Final answer
    x = 161,125.24

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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.