Home / 213,621.86-294,909.46-199,486.82

Finding the Fourth Proportional to 213,621.86, 294,909.46 and 199,486.82

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Solution

The fourth proportional to 213,621.86, 294,909.46 and 199,486.82 is: 275,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,621.86 : 294,909.46 = 199,486.82 : x
  2. Step 2: Convert to fraction form
    213,621.86/294,909.46 = 199,486.82/x
  3. Step 3: Cross multiply
    213,621.86x = 294,909.46 × 199,486.82
  4. Step 4: Simplify right side
    213,621.86x = 58,830,550,363.32
  5. Step 5: Solve for x
    x = 58,830,550,363.32/213,621.86
  6. Step 6: Final answer
    x = 275,395.74

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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.