Home / 118,893.06-164,089.32-73,585.65

Finding the Fourth Proportional to 118,893.06, 164,089.32 and 73,585.65

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Solution

The fourth proportional to 118,893.06, 164,089.32 and 73,585.65 is: 101,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,893.06 : 164,089.32 = 73,585.65 : x
  2. Step 2: Convert to fraction form
    118,893.06/164,089.32 = 73,585.65/x
  3. Step 3: Cross multiply
    118,893.06x = 164,089.32 × 73,585.65
  4. Step 4: Simplify right side
    118,893.06x = 12,074,619,270.26
  5. Step 5: Solve for x
    x = 12,074,619,270.26/118,893.06
  6. Step 6: Final answer
    x = 101,558.66

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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.