Home / 106,972.16-160,460.16-28,093.12

Finding the Fourth Proportional to 106,972.16, 160,460.16 and 28,093.12

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Solution

The fourth proportional to 106,972.16, 160,460.16 and 28,093.12 is: 42,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,972.16 : 160,460.16 = 28,093.12 : x
  2. Step 2: Convert to fraction form
    106,972.16/160,460.16 = 28,093.12/x
  3. Step 3: Cross multiply
    106,972.16x = 160,460.16 × 28,093.12
  4. Step 4: Simplify right side
    106,972.16x = 4,507,826,530.10
  5. Step 5: Solve for x
    x = 4,507,826,530.10/106,972.16
  6. Step 6: Final answer
    x = 42,140.18

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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.