Home / 170,619.72-255,920.36-52,291.40

Finding the Fourth Proportional to 170,619.72, 255,920.36 and 52,291.40

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Solution

The fourth proportional to 170,619.72, 255,920.36 and 52,291.40 is: 78,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,619.72 : 255,920.36 = 52,291.40 : x
  2. Step 2: Convert to fraction form
    170,619.72/255,920.36 = 52,291.40/x
  3. Step 3: Cross multiply
    170,619.72x = 255,920.36 × 52,291.40
  4. Step 4: Simplify right side
    170,619.72x = 13,382,433,912.90
  5. Step 5: Solve for x
    x = 13,382,433,912.90/170,619.72
  6. Step 6: Final answer
    x = 78,434.27

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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.