Home / 193,022.02-289,631.76-91,934.56

Finding the Fourth Proportional to 193,022.02, 289,631.76 and 91,934.56

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Solution

The fourth proportional to 193,022.02, 289,631.76 and 91,934.56 is: 137,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,022.02 : 289,631.76 = 91,934.56 : x
  2. Step 2: Convert to fraction form
    193,022.02/289,631.76 = 91,934.56/x
  3. Step 3: Cross multiply
    193,022.02x = 289,631.76 × 91,934.56
  4. Step 4: Simplify right side
    193,022.02x = 26,627,168,417.63
  5. Step 5: Solve for x
    x = 26,627,168,417.63/193,022.02
  6. Step 6: Final answer
    x = 137,948.86

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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.