Home / 209,192.02-288,685.82-113,698.49

Finding the Fourth Proportional to 209,192.02, 288,685.82 and 113,698.49

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Solution

The fourth proportional to 209,192.02, 288,685.82 and 113,698.49 is: 156,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,192.02 : 288,685.82 = 113,698.49 : x
  2. Step 2: Convert to fraction form
    209,192.02/288,685.82 = 113,698.49/x
  3. Step 3: Cross multiply
    209,192.02x = 288,685.82 × 113,698.49
  4. Step 4: Simplify right side
    209,192.02x = 32,823,140,659.23
  5. Step 5: Solve for x
    x = 32,823,140,659.23/209,192.02
  6. Step 6: Final answer
    x = 156,904.36

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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.