Home / 199,776.70-275,434.59-142,481.35

Finding the Fourth Proportional to 199,776.70, 275,434.59 and 142,481.35

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Solution

The fourth proportional to 199,776.70, 275,434.59 and 142,481.35 is: 196,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,776.70 : 275,434.59 = 142,481.35 : x
  2. Step 2: Convert to fraction form
    199,776.70/275,434.59 = 142,481.35/x
  3. Step 3: Cross multiply
    199,776.70x = 275,434.59 × 142,481.35
  4. Step 4: Simplify right side
    199,776.70x = 39,244,292,219.90
  5. Step 5: Solve for x
    x = 39,244,292,219.90/199,776.70
  6. Step 6: Final answer
    x = 196,440.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.