Home / 127,109.07-190,545.87-47,102.49

Finding the Fourth Proportional to 127,109.07, 190,545.87 and 47,102.49

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Solution

The fourth proportional to 127,109.07, 190,545.87 and 47,102.49 is: 70,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.07 : 190,545.87 = 47,102.49 : x
  2. Step 2: Convert to fraction form
    127,109.07/190,545.87 = 47,102.49/x
  3. Step 3: Cross multiply
    127,109.07x = 190,545.87 × 47,102.49
  4. Step 4: Simplify right side
    127,109.07x = 8,975,184,936.22
  5. Step 5: Solve for x
    x = 8,975,184,936.22/127,109.07
  6. Step 6: Final answer
    x = 70,610.11

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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.