Home / 209,179.42-288,336.34-191,803.03

Finding the Fourth Proportional to 209,179.42, 288,336.34 and 191,803.03

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Solution

The fourth proportional to 209,179.42, 288,336.34 and 191,803.03 is: 264,384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,179.42 : 288,336.34 = 191,803.03 : x
  2. Step 2: Convert to fraction form
    209,179.42/288,336.34 = 191,803.03/x
  3. Step 3: Cross multiply
    209,179.42x = 288,336.34 × 191,803.03
  4. Step 4: Simplify right side
    209,179.42x = 55,303,783,671.11
  5. Step 5: Solve for x
    x = 55,303,783,671.11/209,179.42
  6. Step 6: Final answer
    x = 264,384.44

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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.