Home / 118,887.94-178,341.63-48,767.86

Finding the Fourth Proportional to 118,887.94, 178,341.63 and 48,767.86

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Solution

The fourth proportional to 118,887.94, 178,341.63 and 48,767.86 is: 73,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,887.94 : 178,341.63 = 48,767.86 : x
  2. Step 2: Convert to fraction form
    118,887.94/178,341.63 = 48,767.86/x
  3. Step 3: Cross multiply
    118,887.94x = 178,341.63 × 48,767.86
  4. Step 4: Simplify right side
    118,887.94x = 8,697,339,644.01
  5. Step 5: Solve for x
    x = 8,697,339,644.01/118,887.94
  6. Step 6: Final answer
    x = 73,155.78

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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.