Home / 178,941.90-268,412.18-45,821.98

Finding the Fourth Proportional to 178,941.90, 268,412.18 and 45,821.98

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Solution

The fourth proportional to 178,941.90, 268,412.18 and 45,821.98 is: 68,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,941.90 : 268,412.18 = 45,821.98 : x
  2. Step 2: Convert to fraction form
    178,941.90/268,412.18 = 45,821.98/x
  3. Step 3: Cross multiply
    178,941.90x = 268,412.18 × 45,821.98
  4. Step 4: Simplify right side
    178,941.90x = 12,299,176,643.58
  5. Step 5: Solve for x
    x = 12,299,176,643.58/178,941.90
  6. Step 6: Final answer
    x = 68,732.79

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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.