Home / 194,201.38-291,315.24-66,065.50

Finding the Fourth Proportional to 194,201.38, 291,315.24 and 66,065.50

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Solution

The fourth proportional to 194,201.38, 291,315.24 and 66,065.50 is: 99,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,201.38 : 291,315.24 = 66,065.50 : x
  2. Step 2: Convert to fraction form
    194,201.38/291,315.24 = 66,065.50/x
  3. Step 3: Cross multiply
    194,201.38x = 291,315.24 × 66,065.50
  4. Step 4: Simplify right side
    194,201.38x = 19,245,886,988.22
  5. Step 5: Solve for x
    x = 19,245,886,988.22/194,201.38
  6. Step 6: Final answer
    x = 99,102.73

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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.