Home / 119,465.56-179,080.86-57,121.48

Finding the Fourth Proportional to 119,465.56, 179,080.86 and 57,121.48

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Solution

The fourth proportional to 119,465.56, 179,080.86 and 57,121.48 is: 85,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,465.56 : 179,080.86 = 57,121.48 : x
  2. Step 2: Convert to fraction form
    119,465.56/179,080.86 = 57,121.48/x
  3. Step 3: Cross multiply
    119,465.56x = 179,080.86 × 57,121.48
  4. Step 4: Simplify right side
    119,465.56x = 10,229,363,762.87
  5. Step 5: Solve for x
    x = 10,229,363,762.87/119,465.56
  6. Step 6: Final answer
    x = 85,626.05

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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.