Home / 178,867.08-246,807.54-103,401

Finding the Fourth Proportional to 178,867.08, 246,807.54 and 103,401

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Solution

The fourth proportional to 178,867.08, 246,807.54 and 103,401 is: 142,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,867.08 : 246,807.54 = 103,401 : x
  2. Step 2: Convert to fraction form
    178,867.08/246,807.54 = 103,401/x
  3. Step 3: Cross multiply
    178,867.08x = 246,807.54 × 103,401
  4. Step 4: Simplify right side
    178,867.08x = 25,520,146,443.54
  5. Step 5: Solve for x
    x = 25,520,146,443.54/178,867.08
  6. Step 6: Final answer
    x = 142,676.60

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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.