Home / 313,890.40-470,687.20-114,071.52

Finding the Fourth Proportional to 313,890.40, 470,687.20 and 114,071.52

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Solution

The fourth proportional to 313,890.40, 470,687.20 and 114,071.52 is: 171,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,890.40 : 470,687.20 = 114,071.52 : x
  2. Step 2: Convert to fraction form
    313,890.40/470,687.20 = 114,071.52/x
  3. Step 3: Cross multiply
    313,890.40x = 470,687.20 × 114,071.52
  4. Step 4: Simplify right side
    313,890.40x = 53,692,004,348.54
  5. Step 5: Solve for x
    x = 53,692,004,348.54/313,890.40
  6. Step 6: Final answer
    x = 171,053.35

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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.