Home / 144,226.08-199,168.32-136,372.32

Finding the Fourth Proportional to 144,226.08, 199,168.32 and 136,372.32

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Solution

The fourth proportional to 144,226.08, 199,168.32 and 136,372.32 is: 188,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,226.08 : 199,168.32 = 136,372.32 : x
  2. Step 2: Convert to fraction form
    144,226.08/199,168.32 = 136,372.32/x
  3. Step 3: Cross multiply
    144,226.08x = 199,168.32 × 136,372.32
  4. Step 4: Simplify right side
    144,226.08x = 27,161,045,868.90
  5. Step 5: Solve for x
    x = 27,161,045,868.90/144,226.08
  6. Step 6: Final answer
    x = 188,322.71

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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.