Home / 170,835.40-255,951.78-104,117.32

Finding the Fourth Proportional to 170,835.40, 255,951.78 and 104,117.32

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Solution

The fourth proportional to 170,835.40, 255,951.78 and 104,117.32 is: 155,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,835.40 : 255,951.78 = 104,117.32 : x
  2. Step 2: Convert to fraction form
    170,835.40/255,951.78 = 104,117.32/x
  3. Step 3: Cross multiply
    170,835.40x = 255,951.78 × 104,117.32
  4. Step 4: Simplify right side
    170,835.40x = 26,649,013,382.83
  5. Step 5: Solve for x
    x = 26,649,013,382.83/170,835.40
  6. Step 6: Final answer
    x = 155,992.34

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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.