Home / 177,927.54-266,981.82-78,061.86

Finding the Fourth Proportional to 177,927.54, 266,981.82 and 78,061.86

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Solution

The fourth proportional to 177,927.54, 266,981.82 and 78,061.86 is: 117,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,927.54 : 266,981.82 = 78,061.86 : x
  2. Step 2: Convert to fraction form
    177,927.54/266,981.82 = 78,061.86/x
  3. Step 3: Cross multiply
    177,927.54x = 266,981.82 × 78,061.86
  4. Step 4: Simplify right side
    177,927.54x = 20,841,097,455.39
  5. Step 5: Solve for x
    x = 20,841,097,455.39/177,927.54
  6. Step 6: Final answer
    x = 117,132.50

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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.