Home / 314,948.87-472,619.23-127,960.37

Finding the Fourth Proportional to 314,948.87, 472,619.23 and 127,960.37

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Solution

The fourth proportional to 314,948.87, 472,619.23 and 127,960.37 is: 192,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,948.87 : 472,619.23 = 127,960.37 : x
  2. Step 2: Convert to fraction form
    314,948.87/472,619.23 = 127,960.37/x
  3. Step 3: Cross multiply
    314,948.87x = 472,619.23 × 127,960.37
  4. Step 4: Simplify right side
    314,948.87x = 60,476,532,401.56
  5. Step 5: Solve for x
    x = 60,476,532,401.56/314,948.87
  6. Step 6: Final answer
    x = 192,020.16

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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.