Home / 190,917.28-286,353.68-50,686.80

Finding the Fourth Proportional to 190,917.28, 286,353.68 and 50,686.80

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Solution

The fourth proportional to 190,917.28, 286,353.68 and 50,686.80 is: 76,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,917.28 : 286,353.68 = 50,686.80 : x
  2. Step 2: Convert to fraction form
    190,917.28/286,353.68 = 50,686.80/x
  3. Step 3: Cross multiply
    190,917.28x = 286,353.68 × 50,686.80
  4. Step 4: Simplify right side
    190,917.28x = 14,514,351,707.42
  5. Step 5: Solve for x
    x = 14,514,351,707.42/190,917.28
  6. Step 6: Final answer
    x = 76,024.30

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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.