Home / 328,928.48-493,336.56-118,535.84

Finding the Fourth Proportional to 328,928.48, 493,336.56 and 118,535.84

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Solution

The fourth proportional to 328,928.48, 493,336.56 and 118,535.84 is: 177,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,928.48 : 493,336.56 = 118,535.84 : x
  2. Step 2: Convert to fraction form
    328,928.48/493,336.56 = 118,535.84/x
  3. Step 3: Cross multiply
    328,928.48x = 493,336.56 × 118,535.84
  4. Step 4: Simplify right side
    328,928.48x = 58,478,063,542.31
  5. Step 5: Solve for x
    x = 58,478,063,542.31/328,928.48
  6. Step 6: Final answer
    x = 177,783.52

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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.