Home / 114,640.08-158,323.44-78,922.32

Finding the Fourth Proportional to 114,640.08, 158,323.44 and 78,922.32

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Solution

The fourth proportional to 114,640.08, 158,323.44 and 78,922.32 is: 108,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,640.08 : 158,323.44 = 78,922.32 : x
  2. Step 2: Convert to fraction form
    114,640.08/158,323.44 = 78,922.32/x
  3. Step 3: Cross multiply
    114,640.08x = 158,323.44 × 78,922.32
  4. Step 4: Simplify right side
    114,640.08x = 12,495,253,195.18
  5. Step 5: Solve for x
    x = 12,495,253,195.18/114,640.08
  6. Step 6: Final answer
    x = 108,995.50

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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.