Home / 203,559.36-305,341.63-53,798.35

Finding the Fourth Proportional to 203,559.36, 305,341.63 and 53,798.35

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Solution

The fourth proportional to 203,559.36, 305,341.63 and 53,798.35 is: 80,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,559.36 : 305,341.63 = 53,798.35 : x
  2. Step 2: Convert to fraction form
    203,559.36/305,341.63 = 53,798.35/x
  3. Step 3: Cross multiply
    203,559.36x = 305,341.63 × 53,798.35
  4. Step 4: Simplify right side
    203,559.36x = 16,426,876,329.24
  5. Step 5: Solve for x
    x = 16,426,876,329.24/203,559.36
  6. Step 6: Final answer
    x = 80,698.21

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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.