Home / 146,208.10-219,020.55-83,805.70

Finding the Fourth Proportional to 146,208.10, 219,020.55 and 83,805.70

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Solution

The fourth proportional to 146,208.10, 219,020.55 and 83,805.70 is: 125,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.10 : 219,020.55 = 83,805.70 : x
  2. Step 2: Convert to fraction form
    146,208.10/219,020.55 = 83,805.70/x
  3. Step 3: Cross multiply
    146,208.10x = 219,020.55 × 83,805.70
  4. Step 4: Simplify right side
    146,208.10x = 18,355,170,507.14
  5. Step 5: Solve for x
    x = 18,355,170,507.14/146,208.10
  6. Step 6: Final answer
    x = 125,541.41

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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.