Home / 204,080.16-306,102.96-70,937.76

Finding the Fourth Proportional to 204,080.16, 306,102.96 and 70,937.76

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Solution

The fourth proportional to 204,080.16, 306,102.96 and 70,937.76 is: 106,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,080.16 : 306,102.96 = 70,937.76 : x
  2. Step 2: Convert to fraction form
    204,080.16/306,102.96 = 70,937.76/x
  3. Step 3: Cross multiply
    204,080.16x = 306,102.96 × 70,937.76
  4. Step 4: Simplify right side
    204,080.16x = 21,714,258,311.77
  5. Step 5: Solve for x
    x = 21,714,258,311.77/204,080.16
  6. Step 6: Final answer
    x = 106,400.63

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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.