Home / 133,602.26-200,356.12-38,812.72

Finding the Fourth Proportional to 133,602.26, 200,356.12 and 38,812.72

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Solution

The fourth proportional to 133,602.26, 200,356.12 and 38,812.72 is: 58,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,602.26 : 200,356.12 = 38,812.72 : x
  2. Step 2: Convert to fraction form
    133,602.26/200,356.12 = 38,812.72/x
  3. Step 3: Cross multiply
    133,602.26x = 200,356.12 × 38,812.72
  4. Step 4: Simplify right side
    133,602.26x = 7,776,365,791.78
  5. Step 5: Solve for x
    x = 7,776,365,791.78/133,602.26
  6. Step 6: Final answer
    x = 58,205.35

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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.