Home / 131,621.13-197,385.50-36,825.84

Finding the Fourth Proportional to 131,621.13, 197,385.50 and 36,825.84

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Solution

The fourth proportional to 131,621.13, 197,385.50 and 36,825.84 is: 55,225.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,621.13 : 197,385.50 = 36,825.84 : x
  2. Step 2: Convert to fraction form
    131,621.13/197,385.50 = 36,825.84/x
  3. Step 3: Cross multiply
    131,621.13x = 197,385.50 × 36,825.84
  4. Step 4: Simplify right side
    131,621.13x = 7,268,886,841.32
  5. Step 5: Solve for x
    x = 7,268,886,841.32/131,621.13
  6. Step 6: Final answer
    x = 55,225.84

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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.