Home / 388,126.02-581,992.15-177,583.53

Finding the Fourth Proportional to 388,126.02, 581,992.15 and 177,583.53

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Solution

The fourth proportional to 388,126.02, 581,992.15 and 177,583.53 is: 266,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,126.02 : 581,992.15 = 177,583.53 : x
  2. Step 2: Convert to fraction form
    388,126.02/581,992.15 = 177,583.53/x
  3. Step 3: Cross multiply
    388,126.02x = 581,992.15 × 177,583.53
  4. Step 4: Simplify right side
    388,126.02x = 103,352,220,429.29
  5. Step 5: Solve for x
    x = 103,352,220,429.29/388,126.02
  6. Step 6: Final answer
    x = 266,285.21

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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.