Home / 118,866.24-178,124.40-52,245.36

Finding the Fourth Proportional to 118,866.24, 178,124.40 and 52,245.36

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Solution

The fourth proportional to 118,866.24, 178,124.40 and 52,245.36 is: 78,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,866.24 : 178,124.40 = 52,245.36 : x
  2. Step 2: Convert to fraction form
    118,866.24/178,124.40 = 52,245.36/x
  3. Step 3: Cross multiply
    118,866.24x = 178,124.40 × 52,245.36
  4. Step 4: Simplify right side
    118,866.24x = 9,306,173,402.78
  5. Step 5: Solve for x
    x = 9,306,173,402.78/118,866.24
  6. Step 6: Final answer
    x = 78,291.14

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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.