Home / 445,929.11-668,995.83-193,252.01

Finding the Fourth Proportional to 445,929.11, 668,995.83 and 193,252.01

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Solution

The fourth proportional to 445,929.11, 668,995.83 and 193,252.01 is: 289,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,929.11 : 668,995.83 = 193,252.01 : x
  2. Step 2: Convert to fraction form
    445,929.11/668,995.83 = 193,252.01/x
  3. Step 3: Cross multiply
    445,929.11x = 668,995.83 × 193,252.01
  4. Step 4: Simplify right side
    445,929.11x = 129,284,785,484.14
  5. Step 5: Solve for x
    x = 129,284,785,484.14/445,929.11
  6. Step 6: Final answer
    x = 289,922.29

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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.