Home / 127,032.48-190,622.56-56,911.80

Finding the Fourth Proportional to 127,032.48, 190,622.56 and 56,911.80

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Solution

The fourth proportional to 127,032.48, 190,622.56 and 56,911.80 is: 85,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,032.48 : 190,622.56 = 56,911.80 : x
  2. Step 2: Convert to fraction form
    127,032.48/190,622.56 = 56,911.80/x
  3. Step 3: Cross multiply
    127,032.48x = 190,622.56 × 56,911.80
  4. Step 4: Simplify right side
    127,032.48x = 10,848,673,010.21
  5. Step 5: Solve for x
    x = 10,848,673,010.21/127,032.48
  6. Step 6: Final answer
    x = 85,400.78

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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.