Home / 209,112.36-288,593.88-118,490.37

Finding the Fourth Proportional to 209,112.36, 288,593.88 and 118,490.37

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Solution

The fourth proportional to 209,112.36, 288,593.88 and 118,490.37 is: 163,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,112.36 : 288,593.88 = 118,490.37 : x
  2. Step 2: Convert to fraction form
    209,112.36/288,593.88 = 118,490.37/x
  3. Step 3: Cross multiply
    209,112.36x = 288,593.88 × 118,490.37
  4. Step 4: Simplify right side
    209,112.36x = 34,195,595,620.94
  5. Step 5: Solve for x
    x = 34,195,595,620.94/209,112.36
  6. Step 6: Final answer
    x = 163,527.38

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1.5x scale

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.