Home / 118,827.35-178,280.75-38,868.96

Finding the Fourth Proportional to 118,827.35, 178,280.75 and 38,868.96

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Solution

The fourth proportional to 118,827.35, 178,280.75 and 38,868.96 is: 58,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,827.35 : 178,280.75 = 38,868.96 : x
  2. Step 2: Convert to fraction form
    118,827.35/178,280.75 = 38,868.96/x
  3. Step 3: Cross multiply
    118,827.35x = 178,280.75 × 38,868.96
  4. Step 4: Simplify right side
    118,827.35x = 6,929,587,887.61
  5. Step 5: Solve for x
    x = 6,929,587,887.61/118,827.35
  6. Step 6: Final answer
    x = 58,316.44

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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.