Home / 361,053.18-498,257.37-199,911.06

Finding the Fourth Proportional to 361,053.18, 498,257.37 and 199,911.06

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Solution

The fourth proportional to 361,053.18, 498,257.37 and 199,911.06 is: 275,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,053.18 : 498,257.37 = 199,911.06 : x
  2. Step 2: Convert to fraction form
    361,053.18/498,257.37 = 199,911.06/x
  3. Step 3: Cross multiply
    361,053.18x = 498,257.37 × 199,911.06
  4. Step 4: Simplify right side
    361,053.18x = 99,607,158,989.51
  5. Step 5: Solve for x
    x = 99,607,158,989.51/361,053.18
  6. Step 6: Final answer
    x = 275,879.47

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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.