Home / 95,428.20-143,142.30-94,553.40

Finding the Fourth Proportional to 95,428.20, 143,142.30 and 94,553.40

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Solution

The fourth proportional to 95,428.20, 143,142.30 and 94,553.40 is: 141,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428.20 : 143,142.30 = 94,553.40 : x
  2. Step 2: Convert to fraction form
    95,428.20/143,142.30 = 94,553.40/x
  3. Step 3: Cross multiply
    95,428.20x = 143,142.30 × 94,553.40
  4. Step 4: Simplify right side
    95,428.20x = 13,534,591,148.82
  5. Step 5: Solve for x
    x = 13,534,591,148.82/95,428.20
  6. Step 6: Final answer
    x = 141,830.10

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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.