Home / 482,043.80-723,061.92-145,083

Finding the Fourth Proportional to 482,043.80, 723,061.92 and 145,083

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Solution

The fourth proportional to 482,043.80, 723,061.92 and 145,083 is: 217,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,043.80 : 723,061.92 = 145,083 : x
  2. Step 2: Convert to fraction form
    482,043.80/723,061.92 = 145,083/x
  3. Step 3: Cross multiply
    482,043.80x = 723,061.92 × 145,083
  4. Step 4: Simplify right side
    482,043.80x = 104,903,992,539.36
  5. Step 5: Solve for x
    x = 104,903,992,539.36/482,043.80
  6. Step 6: Final answer
    x = 217,623.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.