Home / 194,309.28-268,322.32-122,816.16

Finding the Fourth Proportional to 194,309.28, 268,322.32 and 122,816.16

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Solution

The fourth proportional to 194,309.28, 268,322.32 and 122,816.16 is: 169,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,309.28 : 268,322.32 = 122,816.16 : x
  2. Step 2: Convert to fraction form
    194,309.28/268,322.32 = 122,816.16/x
  3. Step 3: Cross multiply
    194,309.28x = 268,322.32 × 122,816.16
  4. Step 4: Simplify right side
    194,309.28x = 32,954,316,984.69
  5. Step 5: Solve for x
    x = 32,954,316,984.69/194,309.28
  6. Step 6: Final answer
    x = 169,597.24

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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.