Home / 127,563.20-191,347.14-55,508.84

Finding the Fourth Proportional to 127,563.20, 191,347.14 and 55,508.84

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Solution

The fourth proportional to 127,563.20, 191,347.14 and 55,508.84 is: 83,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,563.20 : 191,347.14 = 55,508.84 : x
  2. Step 2: Convert to fraction form
    127,563.20/191,347.14 = 55,508.84/x
  3. Step 3: Cross multiply
    127,563.20x = 191,347.14 × 55,508.84
  4. Step 4: Simplify right side
    127,563.20x = 10,621,457,778.72
  5. Step 5: Solve for x
    x = 10,621,457,778.72/127,563.20
  6. Step 6: Final answer
    x = 83,264.28

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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.