Home / 218,588.40-301,641.48-123,093.36

Finding the Fourth Proportional to 218,588.40, 301,641.48 and 123,093.36

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Solution

The fourth proportional to 218,588.40, 301,641.48 and 123,093.36 is: 169,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,588.40 : 301,641.48 = 123,093.36 : x
  2. Step 2: Convert to fraction form
    218,588.40/301,641.48 = 123,093.36/x
  3. Step 3: Cross multiply
    218,588.40x = 301,641.48 × 123,093.36
  4. Step 4: Simplify right side
    218,588.40x = 37,130,063,288.57
  5. Step 5: Solve for x
    x = 37,130,063,288.57/218,588.40
  6. Step 6: Final answer
    x = 169,862.92

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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.