Home / 113,186.46-155,999.61-82,907.45

Finding the Fourth Proportional to 113,186.46, 155,999.61 and 82,907.45

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Solution

The fourth proportional to 113,186.46, 155,999.61 and 82,907.45 is: 114,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186.46 : 155,999.61 = 82,907.45 : x
  2. Step 2: Convert to fraction form
    113,186.46/155,999.61 = 82,907.45/x
  3. Step 3: Cross multiply
    113,186.46x = 155,999.61 × 82,907.45
  4. Step 4: Simplify right side
    113,186.46x = 12,933,529,866.09
  5. Step 5: Solve for x
    x = 12,933,529,866.09/113,186.46
  6. Step 6: Final answer
    x = 114,267.47

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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.