Home / 120,946.16-166,847.64-104,150

Finding the Fourth Proportional to 120,946.16, 166,847.64 and 104,150

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Solution

The fourth proportional to 120,946.16, 166,847.64 and 104,150 is: 143,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,946.16 : 166,847.64 = 104,150 : x
  2. Step 2: Convert to fraction form
    120,946.16/166,847.64 = 104,150/x
  3. Step 3: Cross multiply
    120,946.16x = 166,847.64 × 104,150
  4. Step 4: Simplify right side
    120,946.16x = 17,377,181,706
  5. Step 5: Solve for x
    x = 17,377,181,706/120,946.16
  6. Step 6: Final answer
    x = 143,677.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.