Home / 193,483.10-290,336.73-81,153.32

Finding the Fourth Proportional to 193,483.10, 290,336.73 and 81,153.32

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Solution

The fourth proportional to 193,483.10, 290,336.73 and 81,153.32 is: 121,776.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,483.10 : 290,336.73 = 81,153.32 : x
  2. Step 2: Convert to fraction form
    193,483.10/290,336.73 = 81,153.32/x
  3. Step 3: Cross multiply
    193,483.10x = 290,336.73 × 81,153.32
  4. Step 4: Simplify right side
    193,483.10x = 23,561,788,105.76
  5. Step 5: Solve for x
    x = 23,561,788,105.76/193,483.10
  6. Step 6: Final answer
    x = 121,776.99

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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.