Home / 102,100.48-140,889.18-94,577.20

Finding the Fourth Proportional to 102,100.48, 140,889.18 and 94,577.20

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Solution

The fourth proportional to 102,100.48, 140,889.18 and 94,577.20 is: 130,507.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,100.48 : 140,889.18 = 94,577.20 : x
  2. Step 2: Convert to fraction form
    102,100.48/140,889.18 = 94,577.20/x
  3. Step 3: Cross multiply
    102,100.48x = 140,889.18 × 94,577.20
  4. Step 4: Simplify right side
    102,100.48x = 13,324,904,154.70
  5. Step 5: Solve for x
    x = 13,324,904,154.70/102,100.48
  6. Step 6: Final answer
    x = 130,507.75

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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.