Home / 178,142.56-245,718.46-114,560.80

Finding the Fourth Proportional to 178,142.56, 245,718.46 and 114,560.80

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Solution

The fourth proportional to 178,142.56, 245,718.46 and 114,560.80 is: 158,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,142.56 : 245,718.46 = 114,560.80 : x
  2. Step 2: Convert to fraction form
    178,142.56/245,718.46 = 114,560.80/x
  3. Step 3: Cross multiply
    178,142.56x = 245,718.46 × 114,560.80
  4. Step 4: Simplify right side
    178,142.56x = 28,149,703,352.37
  5. Step 5: Solve for x
    x = 28,149,703,352.37/178,142.56
  6. Step 6: Final answer
    x = 158,017.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.