Home / 118,755.06-178,128.27-35,646.90

Finding the Fourth Proportional to 118,755.06, 178,128.27 and 35,646.90

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Solution

The fourth proportional to 118,755.06, 178,128.27 and 35,646.90 is: 53,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,755.06 : 178,128.27 = 35,646.90 : x
  2. Step 2: Convert to fraction form
    118,755.06/178,128.27 = 35,646.90/x
  3. Step 3: Cross multiply
    118,755.06x = 178,128.27 × 35,646.90
  4. Step 4: Simplify right side
    118,755.06x = 6,349,720,627.86
  5. Step 5: Solve for x
    x = 6,349,720,627.86/118,755.06
  6. Step 6: Final answer
    x = 53,469.05

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1.5x scale

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.