Home / 178,102.64-245,782.08-96,431.72

Finding the Fourth Proportional to 178,102.64, 245,782.08 and 96,431.72

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Solution

The fourth proportional to 178,102.64, 245,782.08 and 96,431.72 is: 133,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,102.64 : 245,782.08 = 96,431.72 : x
  2. Step 2: Convert to fraction form
    178,102.64/245,782.08 = 96,431.72/x
  3. Step 3: Cross multiply
    178,102.64x = 245,782.08 × 96,431.72
  4. Step 4: Simplify right side
    178,102.64x = 23,701,188,719.58
  5. Step 5: Solve for x
    x = 23,701,188,719.58/178,102.64
  6. Step 6: Final answer
    x = 133,076.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.