Home / 207,833.08-311,298.50-127,627.62

Finding the Fourth Proportional to 207,833.08, 311,298.50 and 127,627.62

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Solution

The fourth proportional to 207,833.08, 311,298.50 and 127,627.62 is: 191,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,833.08 : 311,298.50 = 127,627.62 : x
  2. Step 2: Convert to fraction form
    207,833.08/311,298.50 = 127,627.62/x
  3. Step 3: Cross multiply
    207,833.08x = 311,298.50 × 127,627.62
  4. Step 4: Simplify right side
    207,833.08x = 39,730,286,664.57
  5. Step 5: Solve for x
    x = 39,730,286,664.57/207,833.08
  6. Step 6: Final answer
    x = 191,164.40

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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.