Home / 190,709.80-286,078.38-50,466.76

Finding the Fourth Proportional to 190,709.80, 286,078.38 and 50,466.76

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Solution

The fourth proportional to 190,709.80, 286,078.38 and 50,466.76 is: 75,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,709.80 : 286,078.38 = 50,466.76 : x
  2. Step 2: Convert to fraction form
    190,709.80/286,078.38 = 50,466.76/x
  3. Step 3: Cross multiply
    190,709.80x = 286,078.38 × 50,466.76
  4. Step 4: Simplify right side
    190,709.80x = 14,437,448,944.65
  5. Step 5: Solve for x
    x = 14,437,448,944.65/190,709.80
  6. Step 6: Final answer
    x = 75,703.76

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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.