Home / 197,629.47-272,718.33-115,946.37

Finding the Fourth Proportional to 197,629.47, 272,718.33 and 115,946.37

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Solution

The fourth proportional to 197,629.47, 272,718.33 and 115,946.37 is: 159,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,629.47 : 272,718.33 = 115,946.37 : x
  2. Step 2: Convert to fraction form
    197,629.47/272,718.33 = 115,946.37/x
  3. Step 3: Cross multiply
    197,629.47x = 272,718.33 × 115,946.37
  4. Step 4: Simplify right side
    197,629.47x = 31,620,700,395.96
  5. Step 5: Solve for x
    x = 31,620,700,395.96/197,629.47
  6. Step 6: Final answer
    x = 159,999.93

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1.5x scale

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.