Home / 133,412.77-200,117.99-54,471.59

Finding the Fourth Proportional to 133,412.77, 200,117.99 and 54,471.59

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Solution

The fourth proportional to 133,412.77, 200,117.99 and 54,471.59 is: 81,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,412.77 : 200,117.99 = 54,471.59 : x
  2. Step 2: Convert to fraction form
    133,412.77/200,117.99 = 54,471.59/x
  3. Step 3: Cross multiply
    133,412.77x = 200,117.99 × 54,471.59
  4. Step 4: Simplify right side
    133,412.77x = 10,900,744,988.94
  5. Step 5: Solve for x
    x = 10,900,744,988.94/133,412.77
  6. Step 6: Final answer
    x = 81,706.91

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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.