Home / 206,422.19-284,598.89-133,696.61

Finding the Fourth Proportional to 206,422.19, 284,598.89 and 133,696.61

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Solution

The fourth proportional to 206,422.19, 284,598.89 and 133,696.61 is: 184,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,422.19 : 284,598.89 = 133,696.61 : x
  2. Step 2: Convert to fraction form
    206,422.19/284,598.89 = 133,696.61/x
  3. Step 3: Cross multiply
    206,422.19x = 284,598.89 × 133,696.61
  4. Step 4: Simplify right side
    206,422.19x = 38,049,904,711.29
  5. Step 5: Solve for x
    x = 38,049,904,711.29/206,422.19
  6. Step 6: Final answer
    x = 184,330.50

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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.