Home / 133,878.68-200,423.44-117,271.16

Finding the Fourth Proportional to 133,878.68, 200,423.44 and 117,271.16

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Solution

The fourth proportional to 133,878.68, 200,423.44 and 117,271.16 is: 175,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,878.68 : 200,423.44 = 117,271.16 : x
  2. Step 2: Convert to fraction form
    133,878.68/200,423.44 = 117,271.16/x
  3. Step 3: Cross multiply
    133,878.68x = 200,423.44 × 117,271.16
  4. Step 4: Simplify right side
    133,878.68x = 23,503,889,299.99
  5. Step 5: Solve for x
    x = 23,503,889,299.99/133,878.68
  6. Step 6: Final answer
    x = 175,561.11

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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.