Home / 136,647.12-204,882.36-53,549.52

Finding the Fourth Proportional to 136,647.12, 204,882.36 and 53,549.52

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Solution

The fourth proportional to 136,647.12, 204,882.36 and 53,549.52 is: 80,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,647.12 : 204,882.36 = 53,549.52 : x
  2. Step 2: Convert to fraction form
    136,647.12/204,882.36 = 53,549.52/x
  3. Step 3: Cross multiply
    136,647.12x = 204,882.36 × 53,549.52
  4. Step 4: Simplify right side
    136,647.12x = 10,971,352,034.47
  5. Step 5: Solve for x
    x = 10,971,352,034.47/136,647.12
  6. Step 6: Final answer
    x = 80,289.67

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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.