Home / 127,109.16-190,665.66-60,556.20

Finding the Fourth Proportional to 127,109.16, 190,665.66 and 60,556.20

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Solution

The fourth proportional to 127,109.16, 190,665.66 and 60,556.20 is: 90,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.16 : 190,665.66 = 60,556.20 : x
  2. Step 2: Convert to fraction form
    127,109.16/190,665.66 = 60,556.20/x
  3. Step 3: Cross multiply
    127,109.16x = 190,665.66 × 60,556.20
  4. Step 4: Simplify right side
    127,109.16x = 11,545,987,840.09
  5. Step 5: Solve for x
    x = 11,545,987,840.09/127,109.16
  6. Step 6: Final answer
    x = 90,835.21

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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.