Home / 367,038.80-550,558.20-130,405.40

Finding the Fourth Proportional to 367,038.80, 550,558.20 and 130,405.40

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Solution

The fourth proportional to 367,038.80, 550,558.20 and 130,405.40 is: 195,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,038.80 : 550,558.20 = 130,405.40 : x
  2. Step 2: Convert to fraction form
    367,038.80/550,558.20 = 130,405.40/x
  3. Step 3: Cross multiply
    367,038.80x = 550,558.20 × 130,405.40
  4. Step 4: Simplify right side
    367,038.80x = 71,795,762,294.28
  5. Step 5: Solve for x
    x = 71,795,762,294.28/367,038.80
  6. Step 6: Final answer
    x = 195,608.10

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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.