Home / 170,418.36-255,466.26-70,516.20

Finding the Fourth Proportional to 170,418.36, 255,466.26 and 70,516.20

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Solution

The fourth proportional to 170,418.36, 255,466.26 and 70,516.20 is: 105,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,418.36 : 255,466.26 = 70,516.20 : x
  2. Step 2: Convert to fraction form
    170,418.36/255,466.26 = 70,516.20/x
  3. Step 3: Cross multiply
    170,418.36x = 255,466.26 × 70,516.20
  4. Step 4: Simplify right side
    170,418.36x = 18,014,509,883.41
  5. Step 5: Solve for x
    x = 18,014,509,883.41/170,418.36
  6. Step 6: Final answer
    x = 105,707.57

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1.5x scale

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.