Home / 142,471.74-196,525.32-94,074.10

Finding the Fourth Proportional to 142,471.74, 196,525.32 and 94,074.10

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Solution

The fourth proportional to 142,471.74, 196,525.32 and 94,074.10 is: 129,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,471.74 : 196,525.32 = 94,074.10 : x
  2. Step 2: Convert to fraction form
    142,471.74/196,525.32 = 94,074.10/x
  3. Step 3: Cross multiply
    142,471.74x = 196,525.32 × 94,074.10
  4. Step 4: Simplify right side
    142,471.74x = 18,487,942,606.21
  5. Step 5: Solve for x
    x = 18,487,942,606.21/142,471.74
  6. Step 6: Final answer
    x = 129,765.68

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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.