Home / 173,870.20-260,805.30-80,558.20

Finding the Fourth Proportional to 173,870.20, 260,805.30 and 80,558.20

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Solution

The fourth proportional to 173,870.20, 260,805.30 and 80,558.20 is: 120,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,870.20 : 260,805.30 = 80,558.20 : x
  2. Step 2: Convert to fraction form
    173,870.20/260,805.30 = 80,558.20/x
  3. Step 3: Cross multiply
    173,870.20x = 260,805.30 × 80,558.20
  4. Step 4: Simplify right side
    173,870.20x = 21,010,005,518.46
  5. Step 5: Solve for x
    x = 21,010,005,518.46/173,870.20
  6. Step 6: Final answer
    x = 120,837.30

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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.