Home / 190,288.24-262,478.27-122,393.43

Finding the Fourth Proportional to 190,288.24, 262,478.27 and 122,393.43

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Solution

The fourth proportional to 190,288.24, 262,478.27 and 122,393.43 is: 168,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,288.24 : 262,478.27 = 122,393.43 : x
  2. Step 2: Convert to fraction form
    190,288.24/262,478.27 = 122,393.43/x
  3. Step 3: Cross multiply
    190,288.24x = 262,478.27 × 122,393.43
  4. Step 4: Simplify right side
    190,288.24x = 32,125,616,071.75
  5. Step 5: Solve for x
    x = 32,125,616,071.75/190,288.24
  6. Step 6: Final answer
    x = 168,826.07

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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.