Home / 112,483.08-155,242.32-108,791.04

Finding the Fourth Proportional to 112,483.08, 155,242.32 and 108,791.04

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Solution

The fourth proportional to 112,483.08, 155,242.32 and 108,791.04 is: 150,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,483.08 : 155,242.32 = 108,791.04 : x
  2. Step 2: Convert to fraction form
    112,483.08/155,242.32 = 108,791.04/x
  3. Step 3: Cross multiply
    112,483.08x = 155,242.32 × 108,791.04
  4. Step 4: Simplify right side
    112,483.08x = 16,888,973,444.81
  5. Step 5: Solve for x
    x = 16,888,973,444.81/112,483.08
  6. Step 6: Final answer
    x = 150,146.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.