Home / 190,879.35-286,271.71-64,516.79

Finding the Fourth Proportional to 190,879.35, 286,271.71 and 64,516.79

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Solution

The fourth proportional to 190,879.35, 286,271.71 and 64,516.79 is: 96,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,879.35 : 286,271.71 = 64,516.79 : x
  2. Step 2: Convert to fraction form
    190,879.35/286,271.71 = 64,516.79/x
  3. Step 3: Cross multiply
    190,879.35x = 286,271.71 × 64,516.79
  4. Step 4: Simplify right side
    190,879.35x = 18,469,330,043.07
  5. Step 5: Solve for x
    x = 18,469,330,043.07/190,879.35
  6. Step 6: Final answer
    x = 96,759.18

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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.