Home / 237,972.05-356,969.91-78,064.10

Finding the Fourth Proportional to 237,972.05, 356,969.91 and 78,064.10

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Solution

The fourth proportional to 237,972.05, 356,969.91 and 78,064.10 is: 117,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,972.05 : 356,969.91 = 78,064.10 : x
  2. Step 2: Convert to fraction form
    237,972.05/356,969.91 = 78,064.10/x
  3. Step 3: Cross multiply
    237,972.05x = 356,969.91 × 78,064.10
  4. Step 4: Simplify right side
    237,972.05x = 27,866,534,751.23
  5. Step 5: Solve for x
    x = 27,866,534,751.23/237,972.05
  6. Step 6: Final answer
    x = 117,100.03

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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.