Home / 134,936.16-186,219.20-74,506.64

Finding the Fourth Proportional to 134,936.16, 186,219.20 and 74,506.64

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Solution

The fourth proportional to 134,936.16, 186,219.20 and 74,506.64 is: 102,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,936.16 : 186,219.20 = 74,506.64 : x
  2. Step 2: Convert to fraction form
    134,936.16/186,219.20 = 74,506.64/x
  3. Step 3: Cross multiply
    134,936.16x = 186,219.20 × 74,506.64
  4. Step 4: Simplify right side
    134,936.16x = 13,874,566,895.49
  5. Step 5: Solve for x
    x = 13,874,566,895.49/134,936.16
  6. Step 6: Final answer
    x = 102,823.19

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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.