Home / 193,187-266,599.02-112,670.36

Finding the Fourth Proportional to 193,187, 266,599.02 and 112,670.36

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Solution

The fourth proportional to 193,187, 266,599.02 and 112,670.36 is: 155,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,187 : 266,599.02 = 112,670.36 : x
  2. Step 2: Convert to fraction form
    193,187/266,599.02 = 112,670.36/x
  3. Step 3: Cross multiply
    193,187x = 266,599.02 × 112,670.36
  4. Step 4: Simplify right side
    193,187x = 30,037,807,559.05
  5. Step 5: Solve for x
    x = 30,037,807,559.05/193,187
  6. Step 6: Final answer
    x = 155,485.66

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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.