Home / 117,776.83-176,598.10-80,382.17

Finding the Fourth Proportional to 117,776.83, 176,598.10 and 80,382.17

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Solution

The fourth proportional to 117,776.83, 176,598.10 and 80,382.17 is: 120,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,776.83 : 176,598.10 = 80,382.17 : x
  2. Step 2: Convert to fraction form
    117,776.83/176,598.10 = 80,382.17/x
  3. Step 3: Cross multiply
    117,776.83x = 176,598.10 × 80,382.17
  4. Step 4: Simplify right side
    117,776.83x = 14,195,337,210.98
  5. Step 5: Solve for x
    x = 14,195,337,210.98/117,776.83
  6. Step 6: Final answer
    x = 120,527.42

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1.5x scale

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.