Home / 118,684.83-178,150.27-79,515.66

Finding the Fourth Proportional to 118,684.83, 178,150.27 and 79,515.66

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Solution

The fourth proportional to 118,684.83, 178,150.27 and 79,515.66 is: 119,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,684.83 : 178,150.27 = 79,515.66 : x
  2. Step 2: Convert to fraction form
    118,684.83/178,150.27 = 79,515.66/x
  3. Step 3: Cross multiply
    118,684.83x = 178,150.27 × 79,515.66
  4. Step 4: Simplify right side
    118,684.83x = 14,165,736,298.23
  5. Step 5: Solve for x
    x = 14,165,736,298.23/118,684.83
  6. Step 6: Final answer
    x = 119,355.91

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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.