Home / 146,835.50-202,615.80-86,392.86

Finding the Fourth Proportional to 146,835.50, 202,615.80 and 86,392.86

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Solution

The fourth proportional to 146,835.50, 202,615.80 and 86,392.86 is: 119,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,835.50 : 202,615.80 = 86,392.86 : x
  2. Step 2: Convert to fraction form
    146,835.50/202,615.80 = 86,392.86/x
  3. Step 3: Cross multiply
    146,835.50x = 202,615.80 × 86,392.86
  4. Step 4: Simplify right side
    146,835.50x = 17,504,558,443.19
  5. Step 5: Solve for x
    x = 17,504,558,443.19/146,835.50
  6. Step 6: Final answer
    x = 119,212.03

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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.