Home / 177,823.49-266,875.46-78,052.55

Finding the Fourth Proportional to 177,823.49, 266,875.46 and 78,052.55

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Solution

The fourth proportional to 177,823.49, 266,875.46 and 78,052.55 is: 117,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,823.49 : 266,875.46 = 78,052.55 : x
  2. Step 2: Convert to fraction form
    177,823.49/266,875.46 = 78,052.55/x
  3. Step 3: Cross multiply
    177,823.49x = 266,875.46 × 78,052.55
  4. Step 4: Simplify right side
    177,823.49x = 20,830,310,185.42
  5. Step 5: Solve for x
    x = 20,830,310,185.42/177,823.49
  6. Step 6: Final answer
    x = 117,140.37

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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.