Home / 127,108.26-190,663.74-38,362.56

Finding the Fourth Proportional to 127,108.26, 190,663.74 and 38,362.56

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Solution

The fourth proportional to 127,108.26, 190,663.74 and 38,362.56 is: 57,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.26 : 190,663.74 = 38,362.56 : x
  2. Step 2: Convert to fraction form
    127,108.26/190,663.74 = 38,362.56/x
  3. Step 3: Cross multiply
    127,108.26x = 190,663.74 × 38,362.56
  4. Step 4: Simplify right side
    127,108.26x = 7,314,349,165.57
  5. Step 5: Solve for x
    x = 7,314,349,165.57/127,108.26
  6. Step 6: Final answer
    x = 57,544.25

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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.