Home / 445,880.13-668,889.92-146,292.57

Finding the Fourth Proportional to 445,880.13, 668,889.92 and 146,292.57

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Solution

The fourth proportional to 445,880.13, 668,889.92 and 146,292.57 is: 219,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,880.13 : 668,889.92 = 146,292.57 : x
  2. Step 2: Convert to fraction form
    445,880.13/668,889.92 = 146,292.57/x
  3. Step 3: Cross multiply
    445,880.13x = 668,889.92 × 146,292.57
  4. Step 4: Simplify right side
    445,880.13x = 97,853,625,443.89
  5. Step 5: Solve for x
    x = 97,853,625,443.89/445,880.13
  6. Step 6: Final answer
    x = 219,461.73

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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.