Home / 118,208.16-177,078.96-88,659.36

Finding the Fourth Proportional to 118,208.16, 177,078.96 and 88,659.36

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Solution

The fourth proportional to 118,208.16, 177,078.96 and 88,659.36 is: 132,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,208.16 : 177,078.96 = 88,659.36 : x
  2. Step 2: Convert to fraction form
    118,208.16/177,078.96 = 88,659.36/x
  3. Step 3: Cross multiply
    118,208.16x = 177,078.96 × 88,659.36
  4. Step 4: Simplify right side
    118,208.16x = 15,699,707,263.07
  5. Step 5: Solve for x
    x = 15,699,707,263.07/118,208.16
  6. Step 6: Final answer
    x = 132,814.07

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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.