Home / 118,712.22-178,066.89-35,605.50

Finding the Fourth Proportional to 118,712.22, 178,066.89 and 35,605.50

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Solution

The fourth proportional to 118,712.22, 178,066.89 and 35,605.50 is: 53,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,712.22 : 178,066.89 = 35,605.50 : x
  2. Step 2: Convert to fraction form
    118,712.22/178,066.89 = 35,605.50/x
  3. Step 3: Cross multiply
    118,712.22x = 178,066.89 × 35,605.50
  4. Step 4: Simplify right side
    118,712.22x = 6,340,160,651.90
  5. Step 5: Solve for x
    x = 6,340,160,651.90/118,712.22
  6. Step 6: Final answer
    x = 53,407.82

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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.