Home / 134,936.40-186,219.48-74,506.82

Finding the Fourth Proportional to 134,936.40, 186,219.48 and 74,506.82

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Solution

The fourth proportional to 134,936.40, 186,219.48 and 74,506.82 is: 102,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,936.40 : 186,219.48 = 74,506.82 : x
  2. Step 2: Convert to fraction form
    134,936.40/186,219.48 = 74,506.82/x
  3. Step 3: Cross multiply
    134,936.40x = 186,219.48 × 74,506.82
  4. Step 4: Simplify right side
    134,936.40x = 13,874,621,276.85
  5. Step 5: Solve for x
    x = 13,874,621,276.85/134,936.40
  6. Step 6: Final answer
    x = 102,823.41

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1.5x scale

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.