Home / 106,915.19-160,381.44-28,029.20

Finding the Fourth Proportional to 106,915.19, 160,381.44 and 28,029.20

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Solution

The fourth proportional to 106,915.19, 160,381.44 and 28,029.20 is: 42,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,915.19 : 160,381.44 = 28,029.20 : x
  2. Step 2: Convert to fraction form
    106,915.19/160,381.44 = 28,029.20/x
  3. Step 3: Cross multiply
    106,915.19x = 160,381.44 × 28,029.20
  4. Step 4: Simplify right side
    106,915.19x = 4,495,362,656.14
  5. Step 5: Solve for x
    x = 4,495,362,656.14/106,915.19
  6. Step 6: Final answer
    x = 42,046.06

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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.