Home / 195,423.20-293,003.40-77,033.60

Finding the Fourth Proportional to 195,423.20, 293,003.40 and 77,033.60

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Solution

The fourth proportional to 195,423.20, 293,003.40 and 77,033.60 is: 115,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,423.20 : 293,003.40 = 77,033.60 : x
  2. Step 2: Convert to fraction form
    195,423.20/293,003.40 = 77,033.60/x
  3. Step 3: Cross multiply
    195,423.20x = 293,003.40 × 77,033.60
  4. Step 4: Simplify right side
    195,423.20x = 22,571,106,714.24
  5. Step 5: Solve for x
    x = 22,571,106,714.24/195,423.20
  6. Step 6: Final answer
    x = 115,498.60

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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.