Home / 292,644.42-438,920.83-92,938.51

Finding the Fourth Proportional to 292,644.42, 438,920.83 and 92,938.51

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Solution

The fourth proportional to 292,644.42, 438,920.83 and 92,938.51 is: 139,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,644.42 : 438,920.83 = 92,938.51 : x
  2. Step 2: Convert to fraction form
    292,644.42/438,920.83 = 92,938.51/x
  3. Step 3: Cross multiply
    292,644.42x = 438,920.83 × 92,938.51
  4. Step 4: Simplify right side
    292,644.42x = 40,792,647,948.16
  5. Step 5: Solve for x
    x = 40,792,647,948.16/292,644.42
  6. Step 6: Final answer
    x = 139,393.22

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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.