Home / 101,664.24-152,165.16-91,964.40

Finding the Fourth Proportional to 101,664.24, 152,165.16 and 91,964.40

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Solution

The fourth proportional to 101,664.24, 152,165.16 and 91,964.40 is: 137,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,664.24 : 152,165.16 = 91,964.40 : x
  2. Step 2: Convert to fraction form
    101,664.24/152,165.16 = 91,964.40/x
  3. Step 3: Cross multiply
    101,664.24x = 152,165.16 × 91,964.40
  4. Step 4: Simplify right side
    101,664.24x = 13,993,777,640.30
  5. Step 5: Solve for x
    x = 13,993,777,640.30/101,664.24
  6. Step 6: Final answer
    x = 137,647.00

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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.