Home / 190,106.66-262,374.82-109,518.50

Finding the Fourth Proportional to 190,106.66, 262,374.82 and 109,518.50

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Solution

The fourth proportional to 190,106.66, 262,374.82 and 109,518.50 is: 151,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,106.66 : 262,374.82 = 109,518.50 : x
  2. Step 2: Convert to fraction form
    190,106.66/262,374.82 = 109,518.50/x
  3. Step 3: Cross multiply
    190,106.66x = 262,374.82 × 109,518.50
  4. Step 4: Simplify right side
    190,106.66x = 28,734,895,138.50
  5. Step 5: Solve for x
    x = 28,734,895,138.50/190,106.66
  6. Step 6: Final answer
    x = 151,151.44

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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.