Home / 209,683.80-289,367.10-114,192.36

Finding the Fourth Proportional to 209,683.80, 289,367.10 and 114,192.36

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Solution

The fourth proportional to 209,683.80, 289,367.10 and 114,192.36 is: 157,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,683.80 : 289,367.10 = 114,192.36 : x
  2. Step 2: Convert to fraction form
    209,683.80/289,367.10 = 114,192.36/x
  3. Step 3: Cross multiply
    209,683.80x = 289,367.10 × 114,192.36
  4. Step 4: Simplify right side
    209,683.80x = 33,043,512,055.36
  5. Step 5: Solve for x
    x = 33,043,512,055.36/209,683.80
  6. Step 6: Final answer
    x = 157,587.34

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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.