Home / 119,571.12-179,240.04-57,285.36

Finding the Fourth Proportional to 119,571.12, 179,240.04 and 57,285.36

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Solution

The fourth proportional to 119,571.12, 179,240.04 and 57,285.36 is: 85,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,571.12 : 179,240.04 = 57,285.36 : x
  2. Step 2: Convert to fraction form
    119,571.12/179,240.04 = 57,285.36/x
  3. Step 3: Cross multiply
    119,571.12x = 179,240.04 × 57,285.36
  4. Step 4: Simplify right side
    119,571.12x = 10,267,830,217.81
  5. Step 5: Solve for x
    x = 10,267,830,217.81/119,571.12
  6. Step 6: Final answer
    x = 85,872.16

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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.