Home / 195,970.16-293,994.12-71,320.88

Finding the Fourth Proportional to 195,970.16, 293,994.12 and 71,320.88

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Solution

The fourth proportional to 195,970.16, 293,994.12 and 71,320.88 is: 106,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,970.16 : 293,994.12 = 71,320.88 : x
  2. Step 2: Convert to fraction form
    195,970.16/293,994.12 = 71,320.88/x
  3. Step 3: Cross multiply
    195,970.16x = 293,994.12 × 71,320.88
  4. Step 4: Simplify right side
    195,970.16x = 20,967,919,353.23
  5. Step 5: Solve for x
    x = 20,967,919,353.23/195,970.16
  6. Step 6: Final answer
    x = 106,995.47

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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.