Home / 134,851.96-186,106.26-74,434.60

Finding the Fourth Proportional to 134,851.96, 186,106.26 and 74,434.60

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Solution

The fourth proportional to 134,851.96, 186,106.26 and 74,434.60 is: 102,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,851.96 : 186,106.26 = 74,434.60 : x
  2. Step 2: Convert to fraction form
    134,851.96/186,106.26 = 74,434.60/x
  3. Step 3: Cross multiply
    134,851.96x = 186,106.26 × 74,434.60
  4. Step 4: Simplify right side
    134,851.96x = 13,852,745,020.60
  5. Step 5: Solve for x
    x = 13,852,745,020.60/134,851.96
  6. Step 6: Final answer
    x = 102,725.57

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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.