Home / 146,800.20-219,617.10-127,295.40

Finding the Fourth Proportional to 146,800.20, 219,617.10 and 127,295.40

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Solution

The fourth proportional to 146,800.20, 219,617.10 and 127,295.40 is: 190,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,800.20 : 219,617.10 = 127,295.40 : x
  2. Step 2: Convert to fraction form
    146,800.20/219,617.10 = 127,295.40/x
  3. Step 3: Cross multiply
    146,800.20x = 219,617.10 × 127,295.40
  4. Step 4: Simplify right side
    146,800.20x = 27,956,246,591.34
  5. Step 5: Solve for x
    x = 27,956,246,591.34/146,800.20
  6. Step 6: Final answer
    x = 190,437.39

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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.