Home / 239,086.14-329,941-131,656.58

Finding the Fourth Proportional to 239,086.14, 329,941 and 131,656.58

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Solution

The fourth proportional to 239,086.14, 329,941 and 131,656.58 is: 181,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,086.14 : 329,941 = 131,656.58 : x
  2. Step 2: Convert to fraction form
    239,086.14/329,941 = 131,656.58/x
  3. Step 3: Cross multiply
    239,086.14x = 329,941 × 131,656.58
  4. Step 4: Simplify right side
    239,086.14x = 43,438,903,661.78
  5. Step 5: Solve for x
    x = 43,438,903,661.78/239,086.14
  6. Step 6: Final answer
    x = 181,687.25

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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.