Home / 190,312.05-262,658.60-109,723.80

Finding the Fourth Proportional to 190,312.05, 262,658.60 and 109,723.80

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Solution

The fourth proportional to 190,312.05, 262,658.60 and 109,723.80 is: 151,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,312.05 : 262,658.60 = 109,723.80 : x
  2. Step 2: Convert to fraction form
    190,312.05/262,658.60 = 109,723.80/x
  3. Step 3: Cross multiply
    190,312.05x = 262,658.60 × 109,723.80
  4. Step 4: Simplify right side
    190,312.05x = 28,819,899,694.68
  5. Step 5: Solve for x
    x = 28,819,899,694.68/190,312.05
  6. Step 6: Final answer
    x = 151,434.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.