Home / 114,342.24-170,129.40-111,485.28

Finding the Fourth Proportional to 114,342.24, 170,129.40 and 111,485.28

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Solution

The fourth proportional to 114,342.24, 170,129.40 and 111,485.28 is: 165,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,342.24 : 170,129.40 = 111,485.28 : x
  2. Step 2: Convert to fraction form
    114,342.24/170,129.40 = 111,485.28/x
  3. Step 3: Cross multiply
    114,342.24x = 170,129.40 × 111,485.28
  4. Step 4: Simplify right side
    114,342.24x = 18,966,923,795.23
  5. Step 5: Solve for x
    x = 18,966,923,795.23/114,342.24
  6. Step 6: Final answer
    x = 165,878.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.