Home / 127,186.80-190,807.19-48,299.28

Finding the Fourth Proportional to 127,186.80, 190,807.19 and 48,299.28

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Solution

The fourth proportional to 127,186.80, 190,807.19 and 48,299.28 is: 72,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,186.80 : 190,807.19 = 48,299.28 : x
  2. Step 2: Convert to fraction form
    127,186.80/190,807.19 = 48,299.28/x
  3. Step 3: Cross multiply
    127,186.80x = 190,807.19 × 48,299.28
  4. Step 4: Simplify right side
    127,186.80x = 9,215,849,654.33
  5. Step 5: Solve for x
    x = 9,215,849,654.33/127,186.80
  6. Step 6: Final answer
    x = 72,459.17

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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.