Home / 190,742.94-263,256.75-105,887.34

Finding the Fourth Proportional to 190,742.94, 263,256.75 and 105,887.34

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Solution

The fourth proportional to 190,742.94, 263,256.75 and 105,887.34 is: 146,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,742.94 : 263,256.75 = 105,887.34 : x
  2. Step 2: Convert to fraction form
    190,742.94/263,256.75 = 105,887.34/x
  3. Step 3: Cross multiply
    190,742.94x = 263,256.75 × 105,887.34
  4. Step 4: Simplify right side
    190,742.94x = 27,875,556,994.55
  5. Step 5: Solve for x
    x = 27,875,556,994.55/190,742.94
  6. Step 6: Final answer
    x = 146,142.01

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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.