Home / 305,029.60-457,544.40-94,688.80

Finding the Fourth Proportional to 305,029.60, 457,544.40 and 94,688.80

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Solution

The fourth proportional to 305,029.60, 457,544.40 and 94,688.80 is: 142,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,029.60 : 457,544.40 = 94,688.80 : x
  2. Step 2: Convert to fraction form
    305,029.60/457,544.40 = 94,688.80/x
  3. Step 3: Cross multiply
    305,029.60x = 457,544.40 × 94,688.80
  4. Step 4: Simplify right side
    305,029.60x = 43,324,330,182.72
  5. Step 5: Solve for x
    x = 43,324,330,182.72/305,029.60
  6. Step 6: Final answer
    x = 142,033.20

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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.