Home / 170,147.86-255,258.69-51,816.10

Finding the Fourth Proportional to 170,147.86, 255,258.69 and 51,816.10

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Solution

The fourth proportional to 170,147.86, 255,258.69 and 51,816.10 is: 77,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,147.86 : 255,258.69 = 51,816.10 : x
  2. Step 2: Convert to fraction form
    170,147.86/255,258.69 = 51,816.10/x
  3. Step 3: Cross multiply
    170,147.86x = 255,258.69 × 51,816.10
  4. Step 4: Simplify right side
    170,147.86x = 13,226,509,806.91
  5. Step 5: Solve for x
    x = 13,226,509,806.91/170,147.86
  6. Step 6: Final answer
    x = 77,735.39

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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.