Home / 127,008.44-190,537.78-42,765.20

Finding the Fourth Proportional to 127,008.44, 190,537.78 and 42,765.20

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Solution

The fourth proportional to 127,008.44, 190,537.78 and 42,765.20 is: 64,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008.44 : 190,537.78 = 42,765.20 : x
  2. Step 2: Convert to fraction form
    127,008.44/190,537.78 = 42,765.20/x
  3. Step 3: Cross multiply
    127,008.44x = 190,537.78 × 42,765.20
  4. Step 4: Simplify right side
    127,008.44x = 8,148,386,269.26
  5. Step 5: Solve for x
    x = 8,148,386,269.26/127,008.44
  6. Step 6: Final answer
    x = 64,156.26

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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.