Home / 146,812.89-202,615.93-82,281.81

Finding the Fourth Proportional to 146,812.89, 202,615.93 and 82,281.81

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Solution

The fourth proportional to 146,812.89, 202,615.93 and 82,281.81 is: 113,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,812.89 : 202,615.93 = 82,281.81 : x
  2. Step 2: Convert to fraction form
    146,812.89/202,615.93 = 82,281.81/x
  3. Step 3: Cross multiply
    146,812.89x = 202,615.93 × 82,281.81
  4. Step 4: Simplify right side
    146,812.89x = 16,671,605,455.23
  5. Step 5: Solve for x
    x = 16,671,605,455.23/146,812.89
  6. Step 6: Final answer
    x = 113,556.82

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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.