Home / 388,083.94-581,928.66-177,541.44

Finding the Fourth Proportional to 388,083.94, 581,928.66 and 177,541.44

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Solution

The fourth proportional to 388,083.94, 581,928.66 and 177,541.44 is: 266,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,083.94 : 581,928.66 = 177,541.44 : x
  2. Step 2: Convert to fraction form
    388,083.94/581,928.66 = 177,541.44/x
  3. Step 3: Cross multiply
    388,083.94x = 581,928.66 × 177,541.44
  4. Step 4: Simplify right side
    388,083.94x = 103,316,452,273.67
  5. Step 5: Solve for x
    x = 103,316,452,273.67/388,083.94
  6. Step 6: Final answer
    x = 266,221.92

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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.