Home / 133,789.81-200,291.04-89,306.23

Finding the Fourth Proportional to 133,789.81, 200,291.04 and 89,306.23

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Solution

The fourth proportional to 133,789.81, 200,291.04 and 89,306.23 is: 133,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,789.81 : 200,291.04 = 89,306.23 : x
  2. Step 2: Convert to fraction form
    133,789.81/200,291.04 = 89,306.23/x
  3. Step 3: Cross multiply
    133,789.81x = 200,291.04 × 89,306.23
  4. Step 4: Simplify right side
    133,789.81x = 17,887,237,685.18
  5. Step 5: Solve for x
    x = 17,887,237,685.18/133,789.81
  6. Step 6: Final answer
    x = 133,696.56

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1.5x scale

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.