Home / 177,946.10-266,992.86-78,054.74

Finding the Fourth Proportional to 177,946.10, 266,992.86 and 78,054.74

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Solution

The fourth proportional to 177,946.10, 266,992.86 and 78,054.74 is: 117,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,946.10 : 266,992.86 = 78,054.74 : x
  2. Step 2: Convert to fraction form
    177,946.10/266,992.86 = 78,054.74/x
  3. Step 3: Cross multiply
    177,946.10x = 266,992.86 × 78,054.74
  4. Step 4: Simplify right side
    177,946.10x = 20,840,058,269.16
  5. Step 5: Solve for x
    x = 20,840,058,269.16/177,946.10
  6. Step 6: Final answer
    x = 117,114.44

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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.