Home / 118,890.06-164,085.18-73,582.64

Finding the Fourth Proportional to 118,890.06, 164,085.18 and 73,582.64

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Solution

The fourth proportional to 118,890.06, 164,085.18 and 73,582.64 is: 101,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,890.06 : 164,085.18 = 73,582.64 : x
  2. Step 2: Convert to fraction form
    118,890.06/164,085.18 = 73,582.64/x
  3. Step 3: Cross multiply
    118,890.06x = 164,085.18 × 73,582.64
  4. Step 4: Simplify right side
    118,890.06x = 12,073,819,908.85
  5. Step 5: Solve for x
    x = 12,073,819,908.85/118,890.06
  6. Step 6: Final answer
    x = 101,554.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.