Home / 118,827.45-178,270.20-38,870.06

Finding the Fourth Proportional to 118,827.45, 178,270.20 and 38,870.06

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Solution

The fourth proportional to 118,827.45, 178,270.20 and 38,870.06 is: 58,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,827.45 : 178,270.20 = 38,870.06 : x
  2. Step 2: Convert to fraction form
    118,827.45/178,270.20 = 38,870.06/x
  3. Step 3: Cross multiply
    118,827.45x = 178,270.20 × 38,870.06
  4. Step 4: Simplify right side
    118,827.45x = 6,929,372,478.86
  5. Step 5: Solve for x
    x = 6,929,372,478.86/118,827.45
  6. Step 6: Final answer
    x = 58,314.58

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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.