Home / 292,985.30-439,521.82-106,040.54

Finding the Fourth Proportional to 292,985.30, 439,521.82 and 106,040.54

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Solution

The fourth proportional to 292,985.30, 439,521.82 and 106,040.54 is: 159,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,985.30 : 439,521.82 = 106,040.54 : x
  2. Step 2: Convert to fraction form
    292,985.30/439,521.82 = 106,040.54/x
  3. Step 3: Cross multiply
    292,985.30x = 439,521.82 × 106,040.54
  4. Step 4: Simplify right side
    292,985.30x = 46,607,131,968.29
  5. Step 5: Solve for x
    x = 46,607,131,968.29/292,985.30
  6. Step 6: Final answer
    x = 159,076.69

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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.