Home / 134,975.97-186,268.25-74,548.16

Finding the Fourth Proportional to 134,975.97, 186,268.25 and 74,548.16

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Solution

The fourth proportional to 134,975.97, 186,268.25 and 74,548.16 is: 102,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,975.97 : 186,268.25 = 74,548.16 : x
  2. Step 2: Convert to fraction form
    134,975.97/186,268.25 = 74,548.16/x
  3. Step 3: Cross multiply
    134,975.97x = 186,268.25 × 74,548.16
  4. Step 4: Simplify right side
    134,975.97x = 13,885,953,999.84
  5. Step 5: Solve for x
    x = 13,885,953,999.84/134,975.97
  6. Step 6: Final answer
    x = 102,877.23

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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.