Home / 178,731.12-268,096.53-45,611.40

Finding the Fourth Proportional to 178,731.12, 268,096.53 and 45,611.40

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Solution

The fourth proportional to 178,731.12, 268,096.53 and 45,611.40 is: 68,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,731.12 : 268,096.53 = 45,611.40 : x
  2. Step 2: Convert to fraction form
    178,731.12/268,096.53 = 45,611.40/x
  3. Step 3: Cross multiply
    178,731.12x = 268,096.53 × 45,611.40
  4. Step 4: Simplify right side
    178,731.12x = 12,228,258,068.44
  5. Step 5: Solve for x
    x = 12,228,258,068.44/178,731.12
  6. Step 6: Final answer
    x = 68,417.06

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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.