Home / 181,194.32-271,671.54-86,439.14

Finding the Fourth Proportional to 181,194.32, 271,671.54 and 86,439.14

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Solution

The fourth proportional to 181,194.32, 271,671.54 and 86,439.14 is: 129,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,194.32 : 271,671.54 = 86,439.14 : x
  2. Step 2: Convert to fraction form
    181,194.32/271,671.54 = 86,439.14/x
  3. Step 3: Cross multiply
    181,194.32x = 271,671.54 × 86,439.14
  4. Step 4: Simplify right side
    181,194.32x = 23,483,054,280.08
  5. Step 5: Solve for x
    x = 23,483,054,280.08/181,194.32
  6. Step 6: Final answer
    x = 129,601.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.