Home / 137,935.66-190,373.76-114,928.97

Finding the Fourth Proportional to 137,935.66, 190,373.76 and 114,928.97

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Solution

The fourth proportional to 137,935.66, 190,373.76 and 114,928.97 is: 158,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,935.66 : 190,373.76 = 114,928.97 : x
  2. Step 2: Convert to fraction form
    137,935.66/190,373.76 = 114,928.97/x
  3. Step 3: Cross multiply
    137,935.66x = 190,373.76 × 114,928.97
  4. Step 4: Simplify right side
    137,935.66x = 21,879,460,151.83
  5. Step 5: Solve for x
    x = 21,879,460,151.83/137,935.66
  6. Step 6: Final answer
    x = 158,620.77

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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.