Home / 109,185.99-150,664.46-61,455.75

Finding the Fourth Proportional to 109,185.99, 150,664.46 and 61,455.75

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Solution

The fourth proportional to 109,185.99, 150,664.46 and 61,455.75 is: 84,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,185.99 : 150,664.46 = 61,455.75 : x
  2. Step 2: Convert to fraction form
    109,185.99/150,664.46 = 61,455.75/x
  3. Step 3: Cross multiply
    109,185.99x = 150,664.46 × 61,455.75
  4. Step 4: Simplify right side
    109,185.99x = 9,259,197,080.37
  5. Step 5: Solve for x
    x = 9,259,197,080.37/109,185.99
  6. Step 6: Final answer
    x = 84,802.06

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1.5x scale

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.