Home / 114,486.06-171,698.58-81,107.58

Finding the Fourth Proportional to 114,486.06, 171,698.58 and 81,107.58

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Solution

The fourth proportional to 114,486.06, 171,698.58 and 81,107.58 is: 121,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,486.06 : 171,698.58 = 81,107.58 : x
  2. Step 2: Convert to fraction form
    114,486.06/171,698.58 = 81,107.58/x
  3. Step 3: Cross multiply
    114,486.06x = 171,698.58 × 81,107.58
  4. Step 4: Simplify right side
    114,486.06x = 13,926,056,313.24
  5. Step 5: Solve for x
    x = 13,926,056,313.24/114,486.06
  6. Step 6: Final answer
    x = 121,639.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.