Home / 127,192.86-190,796.31-38,444.13

Finding the Fourth Proportional to 127,192.86, 190,796.31 and 38,444.13

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Solution

The fourth proportional to 127,192.86, 190,796.31 and 38,444.13 is: 57,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,192.86 : 190,796.31 = 38,444.13 : x
  2. Step 2: Convert to fraction form
    127,192.86/190,796.31 = 38,444.13/x
  3. Step 3: Cross multiply
    127,192.86x = 190,796.31 × 38,444.13
  4. Step 4: Simplify right side
    127,192.86x = 7,334,998,145.16
  5. Step 5: Solve for x
    x = 7,334,998,145.16/127,192.86
  6. Step 6: Final answer
    x = 57,668.32

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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.