Home / 164,707.16-227,295.86-89,255.66

Finding the Fourth Proportional to 164,707.16, 227,295.86 and 89,255.66

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Solution

The fourth proportional to 164,707.16, 227,295.86 and 89,255.66 is: 123,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,707.16 : 227,295.86 = 89,255.66 : x
  2. Step 2: Convert to fraction form
    164,707.16/227,295.86 = 89,255.66/x
  3. Step 3: Cross multiply
    164,707.16x = 227,295.86 × 89,255.66
  4. Step 4: Simplify right side
    164,707.16x = 20,287,441,999.57
  5. Step 5: Solve for x
    x = 20,287,441,999.57/164,707.16
  6. Step 6: Final answer
    x = 123,172.80

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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.