Home / 118,915.19-178,391.21-40,023.26

Finding the Fourth Proportional to 118,915.19, 178,391.21 and 40,023.26

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Solution

The fourth proportional to 118,915.19, 178,391.21 and 40,023.26 is: 60,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,915.19 : 178,391.21 = 40,023.26 : x
  2. Step 2: Convert to fraction form
    118,915.19/178,391.21 = 40,023.26/x
  3. Step 3: Cross multiply
    118,915.19x = 178,391.21 × 40,023.26
  4. Step 4: Simplify right side
    118,915.19x = 7,139,796,687.47
  5. Step 5: Solve for x
    x = 7,139,796,687.47/118,915.19
  6. Step 6: Final answer
    x = 60,041.08

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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.