Home / 236,723.93-355,087.25-78,951.93

Finding the Fourth Proportional to 236,723.93, 355,087.25 and 78,951.93

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Solution

The fourth proportional to 236,723.93, 355,087.25 and 78,951.93 is: 118,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,723.93 : 355,087.25 = 78,951.93 : x
  2. Step 2: Convert to fraction form
    236,723.93/355,087.25 = 78,951.93/x
  3. Step 3: Cross multiply
    236,723.93x = 355,087.25 × 78,951.93
  4. Step 4: Simplify right side
    236,723.93x = 28,034,822,275.63
  5. Step 5: Solve for x
    x = 28,034,822,275.63/236,723.93
  6. Step 6: Final answer
    x = 118,428.34

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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.