Home / 173,895.20-260,842.80-80,583.20

Finding the Fourth Proportional to 173,895.20, 260,842.80 and 80,583.20

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Solution

The fourth proportional to 173,895.20, 260,842.80 and 80,583.20 is: 120,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,895.20 : 260,842.80 = 80,583.20 : x
  2. Step 2: Convert to fraction form
    173,895.20/260,842.80 = 80,583.20/x
  3. Step 3: Cross multiply
    173,895.20x = 260,842.80 × 80,583.20
  4. Step 4: Simplify right side
    173,895.20x = 21,019,547,520.96
  5. Step 5: Solve for x
    x = 21,019,547,520.96/173,895.20
  6. Step 6: Final answer
    x = 120,874.80

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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.