Home / 190,209.27-262,485.59-105,324.51

Finding the Fourth Proportional to 190,209.27, 262,485.59 and 105,324.51

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Solution

The fourth proportional to 190,209.27, 262,485.59 and 105,324.51 is: 145,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.27 : 262,485.59 = 105,324.51 : x
  2. Step 2: Convert to fraction form
    190,209.27/262,485.59 = 105,324.51/x
  3. Step 3: Cross multiply
    190,209.27x = 262,485.59 × 105,324.51
  4. Step 4: Simplify right side
    190,209.27x = 27,646,165,622.19
  5. Step 5: Solve for x
    x = 27,646,165,622.19/190,209.27
  6. Step 6: Final answer
    x = 145,346.05

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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.