Home / 202,239.71-279,090.47-111,595.61

Finding the Fourth Proportional to 202,239.71, 279,090.47 and 111,595.61

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Solution

The fourth proportional to 202,239.71, 279,090.47 and 111,595.61 is: 154,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,239.71 : 279,090.47 = 111,595.61 : x
  2. Step 2: Convert to fraction form
    202,239.71/279,090.47 = 111,595.61/x
  3. Step 3: Cross multiply
    202,239.71x = 279,090.47 × 111,595.61
  4. Step 4: Simplify right side
    202,239.71x = 31,145,269,291.41
  5. Step 5: Solve for x
    x = 31,145,269,291.41/202,239.71
  6. Step 6: Final answer
    x = 154,001.75

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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.