Home / 168,368.08-232,245.48-100,340.32

Finding the Fourth Proportional to 168,368.08, 232,245.48 and 100,340.32

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Solution

The fourth proportional to 168,368.08, 232,245.48 and 100,340.32 is: 138,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,368.08 : 232,245.48 = 100,340.32 : x
  2. Step 2: Convert to fraction form
    168,368.08/232,245.48 = 100,340.32/x
  3. Step 3: Cross multiply
    168,368.08x = 232,245.48 × 100,340.32
  4. Step 4: Simplify right side
    168,368.08x = 23,303,585,781.75
  5. Step 5: Solve for x
    x = 23,303,585,781.75/168,368.08
  6. Step 6: Final answer
    x = 138,408.57

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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.