Home / 366,388.11-549,516.29-129,732.03

Finding the Fourth Proportional to 366,388.11, 549,516.29 and 129,732.03

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Solution

The fourth proportional to 366,388.11, 549,516.29 and 129,732.03 is: 194,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,388.11 : 549,516.29 = 129,732.03 : x
  2. Step 2: Convert to fraction form
    366,388.11/549,516.29 = 129,732.03/x
  3. Step 3: Cross multiply
    366,388.11x = 549,516.29 × 129,732.03
  4. Step 4: Simplify right side
    366,388.11x = 71,289,863,171.11
  5. Step 5: Solve for x
    x = 71,289,863,171.11/366,388.11
  6. Step 6: Final answer
    x = 194,574.72

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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.