Home / 134,877.77-186,131.35-74,448.44

Finding the Fourth Proportional to 134,877.77, 186,131.35 and 74,448.44

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Solution

The fourth proportional to 134,877.77, 186,131.35 and 74,448.44 is: 102,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,877.77 : 186,131.35 = 74,448.44 : x
  2. Step 2: Convert to fraction form
    134,877.77/186,131.35 = 74,448.44/x
  3. Step 3: Cross multiply
    134,877.77x = 186,131.35 × 74,448.44
  4. Step 4: Simplify right side
    134,877.77x = 13,857,188,084.22
  5. Step 5: Solve for x
    x = 13,857,188,084.22/134,877.77
  6. Step 6: Final answer
    x = 102,738.85

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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.