Home / 127,354.48-190,898.88-71,112.16

Finding the Fourth Proportional to 127,354.48, 190,898.88 and 71,112.16

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Solution

The fourth proportional to 127,354.48, 190,898.88 and 71,112.16 is: 106,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,354.48 : 190,898.88 = 71,112.16 : x
  2. Step 2: Convert to fraction form
    127,354.48/190,898.88 = 71,112.16/x
  3. Step 3: Cross multiply
    127,354.48x = 190,898.88 × 71,112.16
  4. Step 4: Simplify right side
    127,354.48x = 13,575,231,698.38
  5. Step 5: Solve for x
    x = 13,575,231,698.38/127,354.48
  6. Step 6: Final answer
    x = 106,594.06

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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.