Home / 161,722.30-242,583.45-127,896.70

Finding the Fourth Proportional to 161,722.30, 242,583.45 and 127,896.70

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Solution

The fourth proportional to 161,722.30, 242,583.45 and 127,896.70 is: 191,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,722.30 : 242,583.45 = 127,896.70 : x
  2. Step 2: Convert to fraction form
    161,722.30/242,583.45 = 127,896.70/x
  3. Step 3: Cross multiply
    161,722.30x = 242,583.45 × 127,896.70
  4. Step 4: Simplify right side
    161,722.30x = 31,025,622,729.62
  5. Step 5: Solve for x
    x = 31,025,622,729.62/161,722.30
  6. Step 6: Final answer
    x = 191,845.05

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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.