Home / 649,170.05-973,762.36-199,887.35

Finding the Fourth Proportional to 649,170.05, 973,762.36 and 199,887.35

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Solution

The fourth proportional to 649,170.05, 973,762.36 and 199,887.35 is: 299,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,170.05 : 973,762.36 = 199,887.35 : x
  2. Step 2: Convert to fraction form
    649,170.05/973,762.36 = 199,887.35/x
  3. Step 3: Cross multiply
    649,170.05x = 973,762.36 × 199,887.35
  4. Step 4: Simplify right side
    649,170.05x = 194,642,772,301.62
  5. Step 5: Solve for x
    x = 194,642,772,301.62/649,170.05
  6. Step 6: Final answer
    x = 299,833.26

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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.