Home / 317,382.18-476,071.22-80,722.83

Finding the Fourth Proportional to 317,382.18, 476,071.22 and 80,722.83

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Solution

The fourth proportional to 317,382.18, 476,071.22 and 80,722.83 is: 121,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,382.18 : 476,071.22 = 80,722.83 : x
  2. Step 2: Convert to fraction form
    317,382.18/476,071.22 = 80,722.83/x
  3. Step 3: Cross multiply
    317,382.18x = 476,071.22 × 80,722.83
  4. Step 4: Simplify right side
    317,382.18x = 38,429,815,756.34
  5. Step 5: Solve for x
    x = 38,429,815,756.34/317,382.18
  6. Step 6: Final answer
    x = 121,083.72

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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.