Home / 170,857.74-256,190.60-70,950.72

Finding the Fourth Proportional to 170,857.74, 256,190.60 and 70,950.72

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Solution

The fourth proportional to 170,857.74, 256,190.60 and 70,950.72 is: 106,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,857.74 : 256,190.60 = 70,950.72 : x
  2. Step 2: Convert to fraction form
    170,857.74/256,190.60 = 70,950.72/x
  3. Step 3: Cross multiply
    170,857.74x = 256,190.60 × 70,950.72
  4. Step 4: Simplify right side
    170,857.74x = 18,176,907,527.23
  5. Step 5: Solve for x
    x = 18,176,907,527.23/170,857.74
  6. Step 6: Final answer
    x = 106,386.21

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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.