Home / 130,313.42-179,851.86-82,571.24

Finding the Fourth Proportional to 130,313.42, 179,851.86 and 82,571.24

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Solution

The fourth proportional to 130,313.42, 179,851.86 and 82,571.24 is: 113,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,313.42 : 179,851.86 = 82,571.24 : x
  2. Step 2: Convert to fraction form
    130,313.42/179,851.86 = 82,571.24/x
  3. Step 3: Cross multiply
    130,313.42x = 179,851.86 × 82,571.24
  4. Step 4: Simplify right side
    130,313.42x = 14,850,591,096.51
  5. Step 5: Solve for x
    x = 14,850,591,096.51/130,313.42
  6. Step 6: Final answer
    x = 113,960.57

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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.