Home / 118,955.28-178,465.68-96,713.40

Finding the Fourth Proportional to 118,955.28, 178,465.68 and 96,713.40

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Solution

The fourth proportional to 118,955.28, 178,465.68 and 96,713.40 is: 145,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,955.28 : 178,465.68 = 96,713.40 : x
  2. Step 2: Convert to fraction form
    118,955.28/178,465.68 = 96,713.40/x
  3. Step 3: Cross multiply
    118,955.28x = 178,465.68 × 96,713.40
  4. Step 4: Simplify right side
    118,955.28x = 17,260,022,696.11
  5. Step 5: Solve for x
    x = 17,260,022,696.11/118,955.28
  6. Step 6: Final answer
    x = 145,096.73

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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.