Home / 190,247.36-262,543.56-105,365.84

Finding the Fourth Proportional to 190,247.36, 262,543.56 and 105,365.84

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Solution

The fourth proportional to 190,247.36, 262,543.56 and 105,365.84 is: 145,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,247.36 : 262,543.56 = 105,365.84 : x
  2. Step 2: Convert to fraction form
    190,247.36/262,543.56 = 105,365.84/x
  3. Step 3: Cross multiply
    190,247.36x = 262,543.56 × 105,365.84
  4. Step 4: Simplify right side
    190,247.36x = 27,663,122,735.99
  5. Step 5: Solve for x
    x = 27,663,122,735.99/190,247.36
  6. Step 6: Final answer
    x = 145,406.08

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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.