Home / 127,583.70-176,035.48-107,243.08

Finding the Fourth Proportional to 127,583.70, 176,035.48 and 107,243.08

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Solution

The fourth proportional to 127,583.70, 176,035.48 and 107,243.08 is: 147,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,583.70 : 176,035.48 = 107,243.08 : x
  2. Step 2: Convert to fraction form
    127,583.70/176,035.48 = 107,243.08/x
  3. Step 3: Cross multiply
    127,583.70x = 176,035.48 × 107,243.08
  4. Step 4: Simplify right side
    127,583.70x = 18,878,587,064.48
  5. Step 5: Solve for x
    x = 18,878,587,064.48/127,583.70
  6. Step 6: Final answer
    x = 147,970.21

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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.