Home / 236,359.75-354,542.72-78,588.21

Finding the Fourth Proportional to 236,359.75, 354,542.72 and 78,588.21

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Solution

The fourth proportional to 236,359.75, 354,542.72 and 78,588.21 is: 117,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,359.75 : 354,542.72 = 78,588.21 : x
  2. Step 2: Convert to fraction form
    236,359.75/354,542.72 = 78,588.21/x
  3. Step 3: Cross multiply
    236,359.75x = 354,542.72 × 78,588.21
  4. Step 4: Simplify right side
    236,359.75x = 27,862,877,733.33
  5. Step 5: Solve for x
    x = 27,862,877,733.33/236,359.75
  6. Step 6: Final answer
    x = 117,883.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.