Home / 170,861.94-256,313.43-71,089.65

Finding the Fourth Proportional to 170,861.94, 256,313.43 and 71,089.65

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Solution

The fourth proportional to 170,861.94, 256,313.43 and 71,089.65 is: 106,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,861.94 : 256,313.43 = 71,089.65 : x
  2. Step 2: Convert to fraction form
    170,861.94/256,313.43 = 71,089.65/x
  3. Step 3: Cross multiply
    170,861.94x = 256,313.43 × 71,089.65
  4. Step 4: Simplify right side
    170,861.94x = 18,221,232,029.00
  5. Step 5: Solve for x
    x = 18,221,232,029.00/170,861.94
  6. Step 6: Final answer
    x = 106,643.01

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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.