Home / 193,000.42-289,522-66,626.33

Finding the Fourth Proportional to 193,000.42, 289,522 and 66,626.33

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Solution

The fourth proportional to 193,000.42, 289,522 and 66,626.33 is: 99,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,000.42 : 289,522 = 66,626.33 : x
  2. Step 2: Convert to fraction form
    193,000.42/289,522 = 66,626.33/x
  3. Step 3: Cross multiply
    193,000.42x = 289,522 × 66,626.33
  4. Step 4: Simplify right side
    193,000.42x = 19,289,788,314.26
  5. Step 5: Solve for x
    x = 19,289,788,314.26/193,000.42
  6. Step 6: Final answer
    x = 99,946.87

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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.