Home / 127,906.44-176,484.06-71,316.60

Finding the Fourth Proportional to 127,906.44, 176,484.06 and 71,316.60

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Solution

The fourth proportional to 127,906.44, 176,484.06 and 71,316.60 is: 98,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,906.44 : 176,484.06 = 71,316.60 : x
  2. Step 2: Convert to fraction form
    127,906.44/176,484.06 = 71,316.60/x
  3. Step 3: Cross multiply
    127,906.44x = 176,484.06 × 71,316.60
  4. Step 4: Simplify right side
    127,906.44x = 12,586,243,113.40
  5. Step 5: Solve for x
    x = 12,586,243,113.40/127,906.44
  6. Step 6: Final answer
    x = 98,401.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.