Home / 194,078.42-291,144.95-67,700.23

Finding the Fourth Proportional to 194,078.42, 291,144.95 and 67,700.23

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Solution

The fourth proportional to 194,078.42, 291,144.95 and 67,700.23 is: 101,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,078.42 : 291,144.95 = 67,700.23 : x
  2. Step 2: Convert to fraction form
    194,078.42/291,144.95 = 67,700.23/x
  3. Step 3: Cross multiply
    194,078.42x = 291,144.95 × 67,700.23
  4. Step 4: Simplify right side
    194,078.42x = 19,710,579,519.73
  5. Step 5: Solve for x
    x = 19,710,579,519.73/194,078.42
  6. Step 6: Final answer
    x = 101,559.87

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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.