Home / 118,756.86-178,137.52-55,542.04

Finding the Fourth Proportional to 118,756.86, 178,137.52 and 55,542.04

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Solution

The fourth proportional to 118,756.86, 178,137.52 and 55,542.04 is: 83,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,756.86 : 178,137.52 = 55,542.04 : x
  2. Step 2: Convert to fraction form
    118,756.86/178,137.52 = 55,542.04/x
  3. Step 3: Cross multiply
    118,756.86x = 178,137.52 × 55,542.04
  4. Step 4: Simplify right side
    118,756.86x = 9,894,121,261.34
  5. Step 5: Solve for x
    x = 9,894,121,261.34/118,756.86
  6. Step 6: Final answer
    x = 83,314.10

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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.