Home / 127,627.85-191,462.54-43,395.55

Finding the Fourth Proportional to 127,627.85, 191,462.54 and 43,395.55

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Solution

The fourth proportional to 127,627.85, 191,462.54 and 43,395.55 is: 65,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,627.85 : 191,462.54 = 43,395.55 : x
  2. Step 2: Convert to fraction form
    127,627.85/191,462.54 = 43,395.55/x
  3. Step 3: Cross multiply
    127,627.85x = 191,462.54 × 43,395.55
  4. Step 4: Simplify right side
    127,627.85x = 8,308,621,532.06
  5. Step 5: Solve for x
    x = 8,308,621,532.06/127,627.85
  6. Step 6: Final answer
    x = 65,100.38

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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.