Home / 179,155.20-247,336.15-118,807.31

Finding the Fourth Proportional to 179,155.20, 247,336.15 and 118,807.31

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Solution

The fourth proportional to 179,155.20, 247,336.15 and 118,807.31 is: 164,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,155.20 : 247,336.15 = 118,807.31 : x
  2. Step 2: Convert to fraction form
    179,155.20/247,336.15 = 118,807.31/x
  3. Step 3: Cross multiply
    179,155.20x = 247,336.15 × 118,807.31
  4. Step 4: Simplify right side
    179,155.20x = 29,385,342,647.26
  5. Step 5: Solve for x
    x = 29,385,342,647.26/179,155.20
  6. Step 6: Final answer
    x = 164,021.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.