Home / 118,810.38-178,214.02-28,853.83

Finding the Fourth Proportional to 118,810.38, 178,214.02 and 28,853.83

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Solution

The fourth proportional to 118,810.38, 178,214.02 and 28,853.83 is: 43,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,810.38 : 178,214.02 = 28,853.83 : x
  2. Step 2: Convert to fraction form
    118,810.38/178,214.02 = 28,853.83/x
  3. Step 3: Cross multiply
    118,810.38x = 178,214.02 × 28,853.83
  4. Step 4: Simplify right side
    118,810.38x = 5,142,157,036.70
  5. Step 5: Solve for x
    x = 5,142,157,036.70/118,810.38
  6. Step 6: Final answer
    x = 43,280.37

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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.