Home / 161,734.30-242,601.45-127,908.70

Finding the Fourth Proportional to 161,734.30, 242,601.45 and 127,908.70

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Solution

The fourth proportional to 161,734.30, 242,601.45 and 127,908.70 is: 191,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,734.30 : 242,601.45 = 127,908.70 : x
  2. Step 2: Convert to fraction form
    161,734.30/242,601.45 = 127,908.70/x
  3. Step 3: Cross multiply
    161,734.30x = 242,601.45 × 127,908.70
  4. Step 4: Simplify right side
    161,734.30x = 31,030,836,087.62
  5. Step 5: Solve for x
    x = 31,030,836,087.62/161,734.30
  6. Step 6: Final answer
    x = 191,863.05

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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.