Home / 111,664.68-154,100.70-63,933.36

Finding the Fourth Proportional to 111,664.68, 154,100.70 and 63,933.36

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Solution

The fourth proportional to 111,664.68, 154,100.70 and 63,933.36 is: 88,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,664.68 : 154,100.70 = 63,933.36 : x
  2. Step 2: Convert to fraction form
    111,664.68/154,100.70 = 63,933.36/x
  3. Step 3: Cross multiply
    111,664.68x = 154,100.70 × 63,933.36
  4. Step 4: Simplify right side
    111,664.68x = 9,852,175,529.35
  5. Step 5: Solve for x
    x = 9,852,175,529.35/111,664.68
  6. Step 6: Final answer
    x = 88,230.01

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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.