Home / 170,580.29-255,760.94-70,809.35

Finding the Fourth Proportional to 170,580.29, 255,760.94 and 70,809.35

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Solution

The fourth proportional to 170,580.29, 255,760.94 and 70,809.35 is: 106,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,580.29 : 255,760.94 = 70,809.35 : x
  2. Step 2: Convert to fraction form
    170,580.29/255,760.94 = 70,809.35/x
  3. Step 3: Cross multiply
    170,580.29x = 255,760.94 × 70,809.35
  4. Step 4: Simplify right side
    170,580.29x = 18,110,264,815.01
  5. Step 5: Solve for x
    x = 18,110,264,815.01/170,580.29
  6. Step 6: Final answer
    x = 106,168.57

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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.