Home / 118,713.47-178,068.77-35,606.75

Finding the Fourth Proportional to 118,713.47, 178,068.77 and 35,606.75

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Solution

The fourth proportional to 118,713.47, 178,068.77 and 35,606.75 is: 53,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,713.47 : 178,068.77 = 35,606.75 : x
  2. Step 2: Convert to fraction form
    118,713.47/178,068.77 = 35,606.75/x
  3. Step 3: Cross multiply
    118,713.47x = 178,068.77 × 35,606.75
  4. Step 4: Simplify right side
    118,713.47x = 6,340,449,998.16
  5. Step 5: Solve for x
    x = 6,340,449,998.16/118,713.47
  6. Step 6: Final answer
    x = 53,409.69

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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.