Home / 207,933.42-286,941.66-117,288.06

Finding the Fourth Proportional to 207,933.42, 286,941.66 and 117,288.06

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Solution

The fourth proportional to 207,933.42, 286,941.66 and 117,288.06 is: 161,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933.42 : 286,941.66 = 117,288.06 : x
  2. Step 2: Convert to fraction form
    207,933.42/286,941.66 = 117,288.06/x
  3. Step 3: Cross multiply
    207,933.42x = 286,941.66 × 117,288.06
  4. Step 4: Simplify right side
    207,933.42x = 33,654,830,634.58
  5. Step 5: Solve for x
    x = 33,654,830,634.58/207,933.42
  6. Step 6: Final answer
    x = 161,853.88

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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.