Home / 127,109.06-190,545.89-47,102.48

Finding the Fourth Proportional to 127,109.06, 190,545.89 and 47,102.48

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Solution

The fourth proportional to 127,109.06, 190,545.89 and 47,102.48 is: 70,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.06 : 190,545.89 = 47,102.48 : x
  2. Step 2: Convert to fraction form
    127,109.06/190,545.89 = 47,102.48/x
  3. Step 3: Cross multiply
    127,109.06x = 190,545.89 × 47,102.48
  4. Step 4: Simplify right side
    127,109.06x = 8,975,182,784.57
  5. Step 5: Solve for x
    x = 8,975,182,784.57/127,109.06
  6. Step 6: Final answer
    x = 70,610.10

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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.