Home / 134,904.75-186,171.53-74,475.24

Finding the Fourth Proportional to 134,904.75, 186,171.53 and 74,475.24

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Solution

The fourth proportional to 134,904.75, 186,171.53 and 74,475.24 is: 102,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.75 : 186,171.53 = 74,475.24 : x
  2. Step 2: Convert to fraction form
    134,904.75/186,171.53 = 74,475.24/x
  3. Step 3: Cross multiply
    134,904.75x = 186,171.53 × 74,475.24
  4. Step 4: Simplify right side
    134,904.75x = 13,865,169,005.54
  5. Step 5: Solve for x
    x = 13,865,169,005.54/134,904.75
  6. Step 6: Final answer
    x = 102,777.47

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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.