Home / 133,585.78-200,303.61-91,513.30

Finding the Fourth Proportional to 133,585.78, 200,303.61 and 91,513.30

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Solution

The fourth proportional to 133,585.78, 200,303.61 and 91,513.30 is: 137,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,585.78 : 200,303.61 = 91,513.30 : x
  2. Step 2: Convert to fraction form
    133,585.78/200,303.61 = 91,513.30/x
  3. Step 3: Cross multiply
    133,585.78x = 200,303.61 × 91,513.30
  4. Step 4: Simplify right side
    133,585.78x = 18,330,444,353.01
  5. Step 5: Solve for x
    x = 18,330,444,353.01/133,585.78
  6. Step 6: Final answer
    x = 137,218.53

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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.