Home / 190,498.08-262,887.36-105,613.28

Finding the Fourth Proportional to 190,498.08, 262,887.36 and 105,613.28

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Solution

The fourth proportional to 190,498.08, 262,887.36 and 105,613.28 is: 145,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,498.08 : 262,887.36 = 105,613.28 : x
  2. Step 2: Convert to fraction form
    190,498.08/262,887.36 = 105,613.28/x
  3. Step 3: Cross multiply
    190,498.08x = 262,887.36 × 105,613.28
  4. Step 4: Simplify right side
    190,498.08x = 27,764,396,360.14
  5. Step 5: Solve for x
    x = 27,764,396,360.14/190,498.08
  6. Step 6: Final answer
    x = 145,746.33

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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.