Home / 118,813.38-178,194.84-70,803.24

Finding the Fourth Proportional to 118,813.38, 178,194.84 and 70,803.24

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Solution

The fourth proportional to 118,813.38, 178,194.84 and 70,803.24 is: 106,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,813.38 : 178,194.84 = 70,803.24 : x
  2. Step 2: Convert to fraction form
    118,813.38/178,194.84 = 70,803.24/x
  3. Step 3: Cross multiply
    118,813.38x = 178,194.84 × 70,803.24
  4. Step 4: Simplify right side
    118,813.38x = 12,616,772,023.28
  5. Step 5: Solve for x
    x = 12,616,772,023.28/118,813.38
  6. Step 6: Final answer
    x = 106,189.82

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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.