Home / 106,918.02-160,378.26-28,040.22

Finding the Fourth Proportional to 106,918.02, 160,378.26 and 28,040.22

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Solution

The fourth proportional to 106,918.02, 160,378.26 and 28,040.22 is: 42,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,918.02 : 160,378.26 = 28,040.22 : x
  2. Step 2: Convert to fraction form
    106,918.02/160,378.26 = 28,040.22/x
  3. Step 3: Cross multiply
    106,918.02x = 160,378.26 × 28,040.22
  4. Step 4: Simplify right side
    106,918.02x = 4,497,041,693.62
  5. Step 5: Solve for x
    x = 4,497,041,693.62/106,918.02
  6. Step 6: Final answer
    x = 42,060.65

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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.