Home / 118,266.09-163,206.54-64,550.94

Finding the Fourth Proportional to 118,266.09, 163,206.54 and 64,550.94

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Solution

The fourth proportional to 118,266.09, 163,206.54 and 64,550.94 is: 89,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.09 : 163,206.54 = 64,550.94 : x
  2. Step 2: Convert to fraction form
    118,266.09/163,206.54 = 64,550.94/x
  3. Step 3: Cross multiply
    118,266.09x = 163,206.54 × 64,550.94
  4. Step 4: Simplify right side
    118,266.09x = 10,535,135,571.15
  5. Step 5: Solve for x
    x = 10,535,135,571.15/118,266.09
  6. Step 6: Final answer
    x = 89,079.93

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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.