Home / 223,932.24-309,003.64-137,877.56

Finding the Fourth Proportional to 223,932.24, 309,003.64 and 137,877.56

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Solution

The fourth proportional to 223,932.24, 309,003.64 and 137,877.56 is: 190,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,932.24 : 309,003.64 = 137,877.56 : x
  2. Step 2: Convert to fraction form
    223,932.24/309,003.64 = 137,877.56/x
  3. Step 3: Cross multiply
    223,932.24x = 309,003.64 × 137,877.56
  4. Step 4: Simplify right side
    223,932.24x = 42,604,667,914.32
  5. Step 5: Solve for x
    x = 42,604,667,914.32/223,932.24
  6. Step 6: Final answer
    x = 190,256.96

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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.