Home / 127,133.45-190,693.98-47,186.98

Finding the Fourth Proportional to 127,133.45, 190,693.98 and 47,186.98

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Solution

The fourth proportional to 127,133.45, 190,693.98 and 47,186.98 is: 70,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,133.45 : 190,693.98 = 47,186.98 : x
  2. Step 2: Convert to fraction form
    127,133.45/190,693.98 = 47,186.98/x
  3. Step 3: Cross multiply
    127,133.45x = 190,693.98 × 47,186.98
  4. Step 4: Simplify right side
    127,133.45x = 8,998,273,020.38
  5. Step 5: Solve for x
    x = 8,998,273,020.38/127,133.45
  6. Step 6: Final answer
    x = 70,778.17

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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.