Home / 181,085.92-271,634.60-86,326.45

Finding the Fourth Proportional to 181,085.92, 271,634.60 and 86,326.45

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Solution

The fourth proportional to 181,085.92, 271,634.60 and 86,326.45 is: 129,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,085.92 : 271,634.60 = 86,326.45 : x
  2. Step 2: Convert to fraction form
    181,085.92/271,634.60 = 86,326.45/x
  3. Step 3: Cross multiply
    181,085.92x = 271,634.60 × 86,326.45
  4. Step 4: Simplify right side
    181,085.92x = 23,449,250,715.17
  5. Step 5: Solve for x
    x = 23,449,250,715.17/181,085.92
  6. Step 6: Final answer
    x = 129,492.40

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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.