Home / 193,272.12-289,991.64-104,588.22

Finding the Fourth Proportional to 193,272.12, 289,991.64 and 104,588.22

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Solution

The fourth proportional to 193,272.12, 289,991.64 and 104,588.22 is: 156,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,272.12 : 289,991.64 = 104,588.22 : x
  2. Step 2: Convert to fraction form
    193,272.12/289,991.64 = 104,588.22/x
  3. Step 3: Cross multiply
    193,272.12x = 289,991.64 × 104,588.22
  4. Step 4: Simplify right side
    193,272.12x = 30,329,709,442.48
  5. Step 5: Solve for x
    x = 30,329,709,442.48/193,272.12
  6. Step 6: Final answer
    x = 156,927.49

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1.5x scale

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.