Home / 197,927.87-273,133.80-117,307.53

Finding the Fourth Proportional to 197,927.87, 273,133.80 and 117,307.53

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Solution

The fourth proportional to 197,927.87, 273,133.80 and 117,307.53 is: 161,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,927.87 : 273,133.80 = 117,307.53 : x
  2. Step 2: Convert to fraction form
    197,927.87/273,133.80 = 117,307.53/x
  3. Step 3: Cross multiply
    197,927.87x = 273,133.80 × 117,307.53
  4. Step 4: Simplify right side
    197,927.87x = 32,040,651,437.51
  5. Step 5: Solve for x
    x = 32,040,651,437.51/197,927.87
  6. Step 6: Final answer
    x = 161,880.45

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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.