Home / 405,103.02-559,034.37-223,822.86

Finding the Fourth Proportional to 405,103.02, 559,034.37 and 223,822.86

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Solution

The fourth proportional to 405,103.02, 559,034.37 and 223,822.86 is: 308,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,103.02 : 559,034.37 = 223,822.86 : x
  2. Step 2: Convert to fraction form
    405,103.02/559,034.37 = 223,822.86/x
  3. Step 3: Cross multiply
    405,103.02x = 559,034.37 × 223,822.86
  4. Step 4: Simplify right side
    405,103.02x = 125,124,671,531.70
  5. Step 5: Solve for x
    x = 125,124,671,531.70/405,103.02
  6. Step 6: Final answer
    x = 308,871.24

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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.