Home / 127,265.20-190,840.20-48,353.20

Finding the Fourth Proportional to 127,265.20, 190,840.20 and 48,353.20

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Solution

The fourth proportional to 127,265.20, 190,840.20 and 48,353.20 is: 72,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,265.20 : 190,840.20 = 48,353.20 : x
  2. Step 2: Convert to fraction form
    127,265.20/190,840.20 = 48,353.20/x
  3. Step 3: Cross multiply
    127,265.20x = 190,840.20 × 48,353.20
  4. Step 4: Simplify right side
    127,265.20x = 9,227,734,358.64
  5. Step 5: Solve for x
    x = 9,227,734,358.64/127,265.20
  6. Step 6: Final answer
    x = 72,507.92

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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.