Home / 194,420.79-268,287.03-107,202.01

Finding the Fourth Proportional to 194,420.79, 268,287.03 and 107,202.01

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Solution

The fourth proportional to 194,420.79, 268,287.03 and 107,202.01 is: 147,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,420.79 : 268,287.03 = 107,202.01 : x
  2. Step 2: Convert to fraction form
    194,420.79/268,287.03 = 107,202.01/x
  3. Step 3: Cross multiply
    194,420.79x = 268,287.03 × 107,202.01
  4. Step 4: Simplify right side
    194,420.79x = 28,760,908,872.93
  5. Step 5: Solve for x
    x = 28,760,908,872.93/194,420.79
  6. Step 6: Final answer
    x = 147,931.24

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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.