Home / 170,539.45-255,986.60-125,611.54

Finding the Fourth Proportional to 170,539.45, 255,986.60 and 125,611.54

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Solution

The fourth proportional to 170,539.45, 255,986.60 and 125,611.54 is: 188,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,539.45 : 255,986.60 = 125,611.54 : x
  2. Step 2: Convert to fraction form
    170,539.45/255,986.60 = 125,611.54/x
  3. Step 3: Cross multiply
    170,539.45x = 255,986.60 × 125,611.54
  4. Step 4: Simplify right side
    170,539.45x = 32,154,871,045.36
  5. Step 5: Solve for x
    x = 32,154,871,045.36/170,539.45
  6. Step 6: Final answer
    x = 188,547.99

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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.