Home / 239,079.27-329,931.58-131,653.16

Finding the Fourth Proportional to 239,079.27, 329,931.58 and 131,653.16

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Solution

The fourth proportional to 239,079.27, 329,931.58 and 131,653.16 is: 181,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,079.27 : 329,931.58 = 131,653.16 : x
  2. Step 2: Convert to fraction form
    239,079.27/329,931.58 = 131,653.16/x
  3. Step 3: Cross multiply
    239,079.27x = 329,931.58 × 131,653.16
  4. Step 4: Simplify right side
    239,079.27x = 43,436,533,441.13
  5. Step 5: Solve for x
    x = 43,436,533,441.13/239,079.27
  6. Step 6: Final answer
    x = 181,682.56

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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.