Home / 193,095.30-289,265.88-91,749.12

Finding the Fourth Proportional to 193,095.30, 289,265.88 and 91,749.12

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Solution

The fourth proportional to 193,095.30, 289,265.88 and 91,749.12 is: 137,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,095.30 : 289,265.88 = 91,749.12 : x
  2. Step 2: Convert to fraction form
    193,095.30/289,265.88 = 91,749.12/x
  3. Step 3: Cross multiply
    193,095.30x = 289,265.88 × 91,749.12
  4. Step 4: Simplify right side
    193,095.30x = 26,539,889,936.03
  5. Step 5: Solve for x
    x = 26,539,889,936.03/193,095.30
  6. Step 6: Final answer
    x = 137,444.52

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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.