Home / 146,505.70-219,175.35-127,000.90

Finding the Fourth Proportional to 146,505.70, 219,175.35 and 127,000.90

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Solution

The fourth proportional to 146,505.70, 219,175.35 and 127,000.90 is: 189,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,505.70 : 219,175.35 = 127,000.90 : x
  2. Step 2: Convert to fraction form
    146,505.70/219,175.35 = 127,000.90/x
  3. Step 3: Cross multiply
    146,505.70x = 219,175.35 × 127,000.90
  4. Step 4: Simplify right side
    146,505.70x = 27,835,466,707.82
  5. Step 5: Solve for x
    x = 27,835,466,707.82/146,505.70
  6. Step 6: Final answer
    x = 189,995.79

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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.