Home / 193,047.48-289,558.50-66,689.53

Finding the Fourth Proportional to 193,047.48, 289,558.50 and 66,689.53

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Solution

The fourth proportional to 193,047.48, 289,558.50 and 66,689.53 is: 100,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,047.48 : 289,558.50 = 66,689.53 : x
  2. Step 2: Convert to fraction form
    193,047.48/289,558.50 = 66,689.53/x
  3. Step 3: Cross multiply
    193,047.48x = 289,558.50 × 66,689.53
  4. Step 4: Simplify right side
    193,047.48x = 19,310,519,298.52
  5. Step 5: Solve for x
    x = 19,310,519,298.52/193,047.48
  6. Step 6: Final answer
    x = 100,029.90

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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.