Home / 170,516.11-255,774.16-75,724.00

Finding the Fourth Proportional to 170,516.11, 255,774.16 and 75,724.00

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Solution

The fourth proportional to 170,516.11, 255,774.16 and 75,724.00 is: 113,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,516.11 : 255,774.16 = 75,724.00 : x
  2. Step 2: Convert to fraction form
    170,516.11/255,774.16 = 75,724.00/x
  3. Step 3: Cross multiply
    170,516.11x = 255,774.16 × 75,724.00
  4. Step 4: Simplify right side
    170,516.11x = 19,368,242,906.21
  5. Step 5: Solve for x
    x = 19,368,242,906.21/170,516.11
  6. Step 6: Final answer
    x = 113,586.00

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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.