Home / 118,430.37-176,990.60-106,095.69

Finding the Fourth Proportional to 118,430.37, 176,990.60 and 106,095.69

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Solution

The fourth proportional to 118,430.37, 176,990.60 and 106,095.69 is: 158,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,430.37 : 176,990.60 = 106,095.69 : x
  2. Step 2: Convert to fraction form
    118,430.37/176,990.60 = 106,095.69/x
  3. Step 3: Cross multiply
    118,430.37x = 176,990.60 × 106,095.69
  4. Step 4: Simplify right side
    118,430.37x = 18,777,940,095.75
  5. Step 5: Solve for x
    x = 18,777,940,095.75/118,430.37
  6. Step 6: Final answer
    x = 158,556.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.