Home / 144,775.20-216,903.60-118,336.80

Finding the Fourth Proportional to 144,775.20, 216,903.60 and 118,336.80

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Solution

The fourth proportional to 144,775.20, 216,903.60 and 118,336.80 is: 177,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,775.20 : 216,903.60 = 118,336.80 : x
  2. Step 2: Convert to fraction form
    144,775.20/216,903.60 = 118,336.80/x
  3. Step 3: Cross multiply
    144,775.20x = 216,903.60 × 118,336.80
  4. Step 4: Simplify right side
    144,775.20x = 25,667,677,932.48
  5. Step 5: Solve for x
    x = 25,667,677,932.48/144,775.20
  6. Step 6: Final answer
    x = 177,293.33

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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.