Home / 207,968.04-286,989.21-117,322.56

Finding the Fourth Proportional to 207,968.04, 286,989.21 and 117,322.56

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Solution

The fourth proportional to 207,968.04, 286,989.21 and 117,322.56 is: 161,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,968.04 : 286,989.21 = 117,322.56 : x
  2. Step 2: Convert to fraction form
    207,968.04/286,989.21 = 117,322.56/x
  3. Step 3: Cross multiply
    207,968.04x = 286,989.21 × 117,322.56
  4. Step 4: Simplify right side
    207,968.04x = 33,670,308,809.58
  5. Step 5: Solve for x
    x = 33,670,308,809.58/207,968.04
  6. Step 6: Final answer
    x = 161,901.36

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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.