Home / 178,752.42-268,128.38-45,632.68

Finding the Fourth Proportional to 178,752.42, 268,128.38 and 45,632.68

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Solution

The fourth proportional to 178,752.42, 268,128.38 and 45,632.68 is: 68,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,752.42 : 268,128.38 = 45,632.68 : x
  2. Step 2: Convert to fraction form
    178,752.42/268,128.38 = 45,632.68/x
  3. Step 3: Cross multiply
    178,752.42x = 268,128.38 × 45,632.68
  4. Step 4: Simplify right side
    178,752.42x = 12,235,416,563.46
  5. Step 5: Solve for x
    x = 12,235,416,563.46/178,752.42
  6. Step 6: Final answer
    x = 68,448.96

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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.