Home / 170,108.80-254,558.40-148,163.20

Finding the Fourth Proportional to 170,108.80, 254,558.40 and 148,163.20

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Solution

The fourth proportional to 170,108.80, 254,558.40 and 148,163.20 is: 221,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,108.80 : 254,558.40 = 148,163.20 : x
  2. Step 2: Convert to fraction form
    170,108.80/254,558.40 = 148,163.20/x
  3. Step 3: Cross multiply
    170,108.80x = 254,558.40 × 148,163.20
  4. Step 4: Simplify right side
    170,108.80x = 37,716,187,130.88
  5. Step 5: Solve for x
    x = 37,716,187,130.88/170,108.80
  6. Step 6: Final answer
    x = 221,718.02

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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.