Home / 114,564.20-171,846.30-77,239.40

Finding the Fourth Proportional to 114,564.20, 171,846.30 and 77,239.40

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Solution

The fourth proportional to 114,564.20, 171,846.30 and 77,239.40 is: 115,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,564.20 : 171,846.30 = 77,239.40 : x
  2. Step 2: Convert to fraction form
    114,564.20/171,846.30 = 77,239.40/x
  3. Step 3: Cross multiply
    114,564.20x = 171,846.30 × 77,239.40
  4. Step 4: Simplify right side
    114,564.20x = 13,273,305,104.22
  5. Step 5: Solve for x
    x = 13,273,305,104.22/114,564.20
  6. Step 6: Final answer
    x = 115,859.10

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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.