Home / 131,063.08-180,861.69-73,700.77

Finding the Fourth Proportional to 131,063.08, 180,861.69 and 73,700.77

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Solution

The fourth proportional to 131,063.08, 180,861.69 and 73,700.77 is: 101,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,063.08 : 180,861.69 = 73,700.77 : x
  2. Step 2: Convert to fraction form
    131,063.08/180,861.69 = 73,700.77/x
  3. Step 3: Cross multiply
    131,063.08x = 180,861.69 × 73,700.77
  4. Step 4: Simplify right side
    131,063.08x = 13,329,645,816.50
  5. Step 5: Solve for x
    x = 13,329,645,816.50/131,063.08
  6. Step 6: Final answer
    x = 101,704.05

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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.