Home / 236,360.25-354,543.47-78,588.71

Finding the Fourth Proportional to 236,360.25, 354,543.47 and 78,588.71

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Solution

The fourth proportional to 236,360.25, 354,543.47 and 78,588.71 is: 117,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,360.25 : 354,543.47 = 78,588.71 : x
  2. Step 2: Convert to fraction form
    236,360.25/354,543.47 = 78,588.71/x
  3. Step 3: Cross multiply
    236,360.25x = 354,543.47 × 78,588.71
  4. Step 4: Simplify right side
    236,360.25x = 27,863,111,780.56
  5. Step 5: Solve for x
    x = 27,863,111,780.56/236,360.25
  6. Step 6: Final answer
    x = 117,884.08

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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.