Home / 385,010.96-577,582.20-118,766.48

Finding the Fourth Proportional to 385,010.96, 577,582.20 and 118,766.48

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Solution

The fourth proportional to 385,010.96, 577,582.20 and 118,766.48 is: 178,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,010.96 : 577,582.20 = 118,766.48 : x
  2. Step 2: Convert to fraction form
    385,010.96/577,582.20 = 118,766.48/x
  3. Step 3: Cross multiply
    385,010.96x = 577,582.20 × 118,766.48
  4. Step 4: Simplify right side
    385,010.96x = 68,597,404,804.66
  5. Step 5: Solve for x
    x = 68,597,404,804.66/385,010.96
  6. Step 6: Final answer
    x = 178,170.01

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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.