Home / 405,171.17-559,133.92-223,883.13

Finding the Fourth Proportional to 405,171.17, 559,133.92 and 223,883.13

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Solution

The fourth proportional to 405,171.17, 559,133.92 and 223,883.13 is: 308,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,171.17 : 559,133.92 = 223,883.13 : x
  2. Step 2: Convert to fraction form
    405,171.17/559,133.92 = 223,883.13/x
  3. Step 3: Cross multiply
    405,171.17x = 559,133.92 × 223,883.13
  4. Step 4: Simplify right side
    405,171.17x = 125,180,652,098.77
  5. Step 5: Solve for x
    x = 125,180,652,098.77/405,171.17
  6. Step 6: Final answer
    x = 308,957.45

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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.