Home / 294,911.70-442,367.55-272,102.10

Finding the Fourth Proportional to 294,911.70, 442,367.55 and 272,102.10

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Solution

The fourth proportional to 294,911.70, 442,367.55 and 272,102.10 is: 408,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,911.70 : 442,367.55 = 272,102.10 : x
  2. Step 2: Convert to fraction form
    294,911.70/442,367.55 = 272,102.10/x
  3. Step 3: Cross multiply
    294,911.70x = 442,367.55 × 272,102.10
  4. Step 4: Simplify right side
    294,911.70x = 120,369,139,326.86
  5. Step 5: Solve for x
    x = 120,369,139,326.86/294,911.70
  6. Step 6: Final answer
    x = 408,153.15

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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.