Home / 133,392.86-200,089.61-54,507.08

Finding the Fourth Proportional to 133,392.86, 200,089.61 and 54,507.08

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Solution

The fourth proportional to 133,392.86, 200,089.61 and 54,507.08 is: 81,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.86 : 200,089.61 = 54,507.08 : x
  2. Step 2: Convert to fraction form
    133,392.86/200,089.61 = 54,507.08/x
  3. Step 3: Cross multiply
    133,392.86x = 200,089.61 × 54,507.08
  4. Step 4: Simplify right side
    133,392.86x = 10,906,299,106.46
  5. Step 5: Solve for x
    x = 10,906,299,106.46/133,392.86
  6. Step 6: Final answer
    x = 81,760.74

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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.