Home / 136,639.09-203,600.26-121,733.47

Finding the Fourth Proportional to 136,639.09, 203,600.26 and 121,733.47

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Solution

The fourth proportional to 136,639.09, 203,600.26 and 121,733.47 is: 181,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,639.09 : 203,600.26 = 121,733.47 : x
  2. Step 2: Convert to fraction form
    136,639.09/203,600.26 = 121,733.47/x
  3. Step 3: Cross multiply
    136,639.09x = 203,600.26 × 121,733.47
  4. Step 4: Simplify right side
    136,639.09x = 24,784,966,142.70
  5. Step 5: Solve for x
    x = 24,784,966,142.70/136,639.09
  6. Step 6: Final answer
    x = 181,390.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.