Home / 178,883.09-268,321.89-45,762.22

Finding the Fourth Proportional to 178,883.09, 268,321.89 and 45,762.22

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Solution

The fourth proportional to 178,883.09, 268,321.89 and 45,762.22 is: 68,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,883.09 : 268,321.89 = 45,762.22 : x
  2. Step 2: Convert to fraction form
    178,883.09/268,321.89 = 45,762.22/x
  3. Step 3: Cross multiply
    178,883.09x = 268,321.89 × 45,762.22
  4. Step 4: Simplify right side
    178,883.09x = 12,279,003,904.98
  5. Step 5: Solve for x
    x = 12,279,003,904.98/178,883.09
  6. Step 6: Final answer
    x = 68,642.62

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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.