Home / 131,184.37-181,017.80-74,596.96

Finding the Fourth Proportional to 131,184.37, 181,017.80 and 74,596.96

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Solution

The fourth proportional to 131,184.37, 181,017.80 and 74,596.96 is: 102,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184.37 : 181,017.80 = 74,596.96 : x
  2. Step 2: Convert to fraction form
    131,184.37/181,017.80 = 74,596.96/x
  3. Step 3: Cross multiply
    131,184.37x = 181,017.80 × 74,596.96
  4. Step 4: Simplify right side
    131,184.37x = 13,503,376,680.80
  5. Step 5: Solve for x
    x = 13,503,376,680.80/131,184.37
  6. Step 6: Final answer
    x = 102,934.34

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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.