Home / 168,187.85-232,155.47-100,226.13

Finding the Fourth Proportional to 168,187.85, 232,155.47 and 100,226.13

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Solution

The fourth proportional to 168,187.85, 232,155.47 and 100,226.13 is: 138,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,187.85 : 232,155.47 = 100,226.13 : x
  2. Step 2: Convert to fraction form
    168,187.85/232,155.47 = 100,226.13/x
  3. Step 3: Cross multiply
    168,187.85x = 232,155.47 × 100,226.13
  4. Step 4: Simplify right side
    168,187.85x = 23,268,043,815.30
  5. Step 5: Solve for x
    x = 23,268,043,815.30/168,187.85
  6. Step 6: Final answer
    x = 138,345.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.