Home / 170,399.10-235,145.52-106,771.98

Finding the Fourth Proportional to 170,399.10, 235,145.52 and 106,771.98

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Solution

The fourth proportional to 170,399.10, 235,145.52 and 106,771.98 is: 147,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,399.10 : 235,145.52 = 106,771.98 : x
  2. Step 2: Convert to fraction form
    170,399.10/235,145.52 = 106,771.98/x
  3. Step 3: Cross multiply
    170,399.10x = 235,145.52 × 106,771.98
  4. Step 4: Simplify right side
    170,399.10x = 25,106,952,758.53
  5. Step 5: Solve for x
    x = 25,106,952,758.53/170,399.10
  6. Step 6: Final answer
    x = 147,342.05

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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.