Home / 207,933.67-286,948.11-117,289.36

Finding the Fourth Proportional to 207,933.67, 286,948.11 and 117,289.36

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Solution

The fourth proportional to 207,933.67, 286,948.11 and 117,289.36 is: 161,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933.67 : 286,948.11 = 117,289.36 : x
  2. Step 2: Convert to fraction form
    207,933.67/286,948.11 = 117,289.36/x
  3. Step 3: Cross multiply
    207,933.67x = 286,948.11 × 117,289.36
  4. Step 4: Simplify right side
    207,933.67x = 33,655,960,175.11
  5. Step 5: Solve for x
    x = 33,655,960,175.11/207,933.67
  6. Step 6: Final answer
    x = 161,859.12

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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.