Home / 134,913.45-186,175.69-74,482.82

Finding the Fourth Proportional to 134,913.45, 186,175.69 and 74,482.82

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Solution

The fourth proportional to 134,913.45, 186,175.69 and 74,482.82 is: 102,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,913.45 : 186,175.69 = 74,482.82 : x
  2. Step 2: Convert to fraction form
    134,913.45/186,175.69 = 74,482.82/x
  3. Step 3: Cross multiply
    134,913.45x = 186,175.69 × 74,482.82
  4. Step 4: Simplify right side
    134,913.45x = 13,866,889,289.56
  5. Step 5: Solve for x
    x = 13,866,889,289.56/134,913.45
  6. Step 6: Final answer
    x = 102,783.59

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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.