Home / 100,674.24-150,991.20-95,678.40

Finding the Fourth Proportional to 100,674.24, 150,991.20 and 95,678.40

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Solution

The fourth proportional to 100,674.24, 150,991.20 and 95,678.40 is: 143,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,674.24 : 150,991.20 = 95,678.40 : x
  2. Step 2: Convert to fraction form
    100,674.24/150,991.20 = 95,678.40/x
  3. Step 3: Cross multiply
    100,674.24x = 150,991.20 × 95,678.40
  4. Step 4: Simplify right side
    100,674.24x = 14,446,596,430.08
  5. Step 5: Solve for x
    x = 14,446,596,430.08/100,674.24
  6. Step 6: Final answer
    x = 143,498.44

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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.