Home / 388,016.48-581,829.06-118,092.84

Finding the Fourth Proportional to 388,016.48, 581,829.06 and 118,092.84

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Solution

The fourth proportional to 388,016.48, 581,829.06 and 118,092.84 is: 177,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,016.48 : 581,829.06 = 118,092.84 : x
  2. Step 2: Convert to fraction form
    388,016.48/581,829.06 = 118,092.84/x
  3. Step 3: Cross multiply
    388,016.48x = 581,829.06 × 118,092.84
  4. Step 4: Simplify right side
    388,016.48x = 68,709,844,184.85
  5. Step 5: Solve for x
    x = 68,709,844,184.85/388,016.48
  6. Step 6: Final answer
    x = 177,079.71

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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.