Home / 127,023.28-190,467.48-42,755.32

Finding the Fourth Proportional to 127,023.28, 190,467.48 and 42,755.32

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Solution

The fourth proportional to 127,023.28, 190,467.48 and 42,755.32 is: 64,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,023.28 : 190,467.48 = 42,755.32 : x
  2. Step 2: Convert to fraction form
    127,023.28/190,467.48 = 42,755.32/x
  3. Step 3: Cross multiply
    127,023.28x = 190,467.48 × 42,755.32
  4. Step 4: Simplify right side
    127,023.28x = 8,143,498,056.99
  5. Step 5: Solve for x
    x = 8,143,498,056.99/127,023.28
  6. Step 6: Final answer
    x = 64,110.28

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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.