Home / 405,193.16-559,200.23-223,940.47

Finding the Fourth Proportional to 405,193.16, 559,200.23 and 223,940.47

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Solution

The fourth proportional to 405,193.16, 559,200.23 and 223,940.47 is: 309,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,193.16 : 559,200.23 = 223,940.47 : x
  2. Step 2: Convert to fraction form
    405,193.16/559,200.23 = 223,940.47/x
  3. Step 3: Cross multiply
    405,193.16x = 559,200.23 × 223,940.47
  4. Step 4: Simplify right side
    405,193.16x = 125,227,562,330.31
  5. Step 5: Solve for x
    x = 125,227,562,330.31/405,193.16
  6. Step 6: Final answer
    x = 309,056.46

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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.