Home / 131,894.30-181,913.70-113,528.68

Finding the Fourth Proportional to 131,894.30, 181,913.70 and 113,528.68

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Solution

The fourth proportional to 131,894.30, 181,913.70 and 113,528.68 is: 156,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,894.30 : 181,913.70 = 113,528.68 : x
  2. Step 2: Convert to fraction form
    131,894.30/181,913.70 = 113,528.68/x
  3. Step 3: Cross multiply
    131,894.30x = 181,913.70 × 113,528.68
  4. Step 4: Simplify right side
    131,894.30x = 20,652,422,234.92
  5. Step 5: Solve for x
    x = 20,652,422,234.92/131,894.30
  6. Step 6: Final answer
    x = 156,583.13

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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.