Home / 190,218.84-262,494.99-109,649.76

Finding the Fourth Proportional to 190,218.84, 262,494.99 and 109,649.76

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Solution

The fourth proportional to 190,218.84, 262,494.99 and 109,649.76 is: 151,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,218.84 : 262,494.99 = 109,649.76 : x
  2. Step 2: Convert to fraction form
    190,218.84/262,494.99 = 109,649.76/x
  3. Step 3: Cross multiply
    190,218.84x = 262,494.99 × 109,649.76
  4. Step 4: Simplify right side
    190,218.84x = 28,782,512,654.70
  5. Step 5: Solve for x
    x = 28,782,512,654.70/190,218.84
  6. Step 6: Final answer
    x = 151,312.63

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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.