Home / 127,010.28-190,536.48-42,777.57

Finding the Fourth Proportional to 127,010.28, 190,536.48 and 42,777.57

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Solution

The fourth proportional to 127,010.28, 190,536.48 and 42,777.57 is: 64,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,010.28 : 190,536.48 = 42,777.57 : x
  2. Step 2: Convert to fraction form
    127,010.28/190,536.48 = 42,777.57/x
  3. Step 3: Cross multiply
    127,010.28x = 190,536.48 × 42,777.57
  4. Step 4: Simplify right side
    127,010.28x = 8,150,687,610.75
  5. Step 5: Solve for x
    x = 8,150,687,610.75/127,010.28
  6. Step 6: Final answer
    x = 64,173.45

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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.