Home / 190,367.96-262,709.34-105,486.44

Finding the Fourth Proportional to 190,367.96, 262,709.34 and 105,486.44

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Solution

The fourth proportional to 190,367.96, 262,709.34 and 105,486.44 is: 145,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,367.96 : 262,709.34 = 105,486.44 : x
  2. Step 2: Convert to fraction form
    190,367.96/262,709.34 = 105,486.44/x
  3. Step 3: Cross multiply
    190,367.96x = 262,709.34 × 105,486.44
  4. Step 4: Simplify right side
    190,367.96x = 27,712,273,031.35
  5. Step 5: Solve for x
    x = 27,712,273,031.35/190,367.96
  6. Step 6: Final answer
    x = 145,572.15

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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.