Home / 118,926.84-178,418.16-34,688.64

Finding the Fourth Proportional to 118,926.84, 178,418.16 and 34,688.64

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Solution

The fourth proportional to 118,926.84, 178,418.16 and 34,688.64 is: 52,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,926.84 : 178,418.16 = 34,688.64 : x
  2. Step 2: Convert to fraction form
    118,926.84/178,418.16 = 34,688.64/x
  3. Step 3: Cross multiply
    118,926.84x = 178,418.16 × 34,688.64
  4. Step 4: Simplify right side
    118,926.84x = 6,189,083,321.70
  5. Step 5: Solve for x
    x = 6,189,083,321.70/118,926.84
  6. Step 6: Final answer
    x = 52,041.10

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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.