Home / 127,507.02-191,282.40-38,769.48

Finding the Fourth Proportional to 127,507.02, 191,282.40 and 38,769.48

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Solution

The fourth proportional to 127,507.02, 191,282.40 and 38,769.48 is: 58,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,507.02 : 191,282.40 = 38,769.48 : x
  2. Step 2: Convert to fraction form
    127,507.02/191,282.40 = 38,769.48/x
  3. Step 3: Cross multiply
    127,507.02x = 191,282.40 × 38,769.48
  4. Step 4: Simplify right side
    127,507.02x = 7,415,919,181.15
  5. Step 5: Solve for x
    x = 7,415,919,181.15/127,507.02
  6. Step 6: Final answer
    x = 58,160.87

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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.