Home / 178,661.78-246,505.14-102,165.12

Finding the Fourth Proportional to 178,661.78, 246,505.14 and 102,165.12

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Solution

The fourth proportional to 178,661.78, 246,505.14 and 102,165.12 is: 140,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,661.78 : 246,505.14 = 102,165.12 : x
  2. Step 2: Convert to fraction form
    178,661.78/246,505.14 = 102,165.12/x
  3. Step 3: Cross multiply
    178,661.78x = 246,505.14 × 102,165.12
  4. Step 4: Simplify right side
    178,661.78x = 25,184,227,208.72
  5. Step 5: Solve for x
    x = 25,184,227,208.72/178,661.78
  6. Step 6: Final answer
    x = 140,960.35

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1.5x scale

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.