Home / 366,911.10-550,421.33-130,233.96

Finding the Fourth Proportional to 366,911.10, 550,421.33 and 130,233.96

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Solution

The fourth proportional to 366,911.10, 550,421.33 and 130,233.96 is: 195,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.10 : 550,421.33 = 130,233.96 : x
  2. Step 2: Convert to fraction form
    366,911.10/550,421.33 = 130,233.96/x
  3. Step 3: Cross multiply
    366,911.10x = 550,421.33 × 130,233.96
  4. Step 4: Simplify right side
    366,911.10x = 71,683,548,823.20
  5. Step 5: Solve for x
    x = 71,683,548,823.20/366,911.10
  6. Step 6: Final answer
    x = 195,370.35

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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.