Home / 207,936.99-286,953.26-112,443.66

Finding the Fourth Proportional to 207,936.99, 286,953.26 and 112,443.66

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Solution

The fourth proportional to 207,936.99, 286,953.26 and 112,443.66 is: 155,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,936.99 : 286,953.26 = 112,443.66 : x
  2. Step 2: Convert to fraction form
    207,936.99/286,953.26 = 112,443.66/x
  3. Step 3: Cross multiply
    207,936.99x = 286,953.26 × 112,443.66
  4. Step 4: Simplify right side
    207,936.99x = 32,266,074,241.11
  5. Step 5: Solve for x
    x = 32,266,074,241.11/207,936.99
  6. Step 6: Final answer
    x = 155,172.36

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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.