Home / 356,550.40-492,053.22-203,613.52

Finding the Fourth Proportional to 356,550.40, 492,053.22 and 203,613.52

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Solution

The fourth proportional to 356,550.40, 492,053.22 and 203,613.52 is: 280,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,550.40 : 492,053.22 = 203,613.52 : x
  2. Step 2: Convert to fraction form
    356,550.40/492,053.22 = 203,613.52/x
  3. Step 3: Cross multiply
    356,550.40x = 492,053.22 × 203,613.52
  4. Step 4: Simplify right side
    356,550.40x = 100,188,688,151.53
  5. Step 5: Solve for x
    x = 100,188,688,151.53/356,550.40
  6. Step 6: Final answer
    x = 280,994.46

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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.