Home / 127,358.19-190,987.25-43,095.15

Finding the Fourth Proportional to 127,358.19, 190,987.25 and 43,095.15

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Solution

The fourth proportional to 127,358.19, 190,987.25 and 43,095.15 is: 64,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,358.19 : 190,987.25 = 43,095.15 : x
  2. Step 2: Convert to fraction form
    127,358.19/190,987.25 = 43,095.15/x
  3. Step 3: Cross multiply
    127,358.19x = 190,987.25 × 43,095.15
  4. Step 4: Simplify right side
    127,358.19x = 8,230,623,971.36
  5. Step 5: Solve for x
    x = 8,230,623,971.36/127,358.19
  6. Step 6: Final answer
    x = 64,625.79

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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.