Home / 133,718.23-200,355-94,191.85

Finding the Fourth Proportional to 133,718.23, 200,355 and 94,191.85

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Solution

The fourth proportional to 133,718.23, 200,355 and 94,191.85 is: 141,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,718.23 : 200,355 = 94,191.85 : x
  2. Step 2: Convert to fraction form
    133,718.23/200,355 = 94,191.85/x
  3. Step 3: Cross multiply
    133,718.23x = 200,355 × 94,191.85
  4. Step 4: Simplify right side
    133,718.23x = 18,871,808,106.75
  5. Step 5: Solve for x
    x = 18,871,808,106.75/133,718.23
  6. Step 6: Final answer
    x = 141,131.15

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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.