Home / 193,533.18-290,152.04-109,388.36

Finding the Fourth Proportional to 193,533.18, 290,152.04 and 109,388.36

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Solution

The fourth proportional to 193,533.18, 290,152.04 and 109,388.36 is: 163,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,533.18 : 290,152.04 = 109,388.36 : x
  2. Step 2: Convert to fraction form
    193,533.18/290,152.04 = 109,388.36/x
  3. Step 3: Cross multiply
    193,533.18x = 290,152.04 × 109,388.36
  4. Step 4: Simplify right side
    193,533.18x = 31,739,255,806.25
  5. Step 5: Solve for x
    x = 31,739,255,806.25/193,533.18
  6. Step 6: Final answer
    x = 163,999.04

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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.