Home / 190,110.54-262,349.37-105,225.78

Finding the Fourth Proportional to 190,110.54, 262,349.37 and 105,225.78

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Solution

The fourth proportional to 190,110.54, 262,349.37 and 105,225.78 is: 145,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,110.54 : 262,349.37 = 105,225.78 : x
  2. Step 2: Convert to fraction form
    190,110.54/262,349.37 = 105,225.78/x
  3. Step 3: Cross multiply
    190,110.54x = 262,349.37 × 105,225.78
  4. Step 4: Simplify right side
    190,110.54x = 27,605,917,090.76
  5. Step 5: Solve for x
    x = 27,605,917,090.76/190,110.54
  6. Step 6: Final answer
    x = 145,209.82

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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.