Home / 317,041.16-437,561.86-196,221.36

Finding the Fourth Proportional to 317,041.16, 437,561.86 and 196,221.36

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Solution

The fourth proportional to 317,041.16, 437,561.86 and 196,221.36 is: 270,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,041.16 : 437,561.86 = 196,221.36 : x
  2. Step 2: Convert to fraction form
    317,041.16/437,561.86 = 196,221.36/x
  3. Step 3: Cross multiply
    317,041.16x = 437,561.86 × 196,221.36
  4. Step 4: Simplify right side
    317,041.16x = 85,858,983,253.33
  5. Step 5: Solve for x
    x = 85,858,983,253.33/317,041.16
  6. Step 6: Final answer
    x = 270,813.36

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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.