Home / 314,890.20-472,032.90-104,419.80

Finding the Fourth Proportional to 314,890.20, 472,032.90 and 104,419.80

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Solution

The fourth proportional to 314,890.20, 472,032.90 and 104,419.80 is: 156,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,890.20 : 472,032.90 = 104,419.80 : x
  2. Step 2: Convert to fraction form
    314,890.20/472,032.90 = 104,419.80/x
  3. Step 3: Cross multiply
    314,890.20x = 472,032.90 × 104,419.80
  4. Step 4: Simplify right side
    314,890.20x = 49,289,581,011.42
  5. Step 5: Solve for x
    x = 49,289,581,011.42/314,890.20
  6. Step 6: Final answer
    x = 156,529.42

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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.