Home / 178,712.08-246,605.20-103,258.96

Finding the Fourth Proportional to 178,712.08, 246,605.20 and 103,258.96

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Solution

The fourth proportional to 178,712.08, 246,605.20 and 103,258.96 is: 142,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,712.08 : 246,605.20 = 103,258.96 : x
  2. Step 2: Convert to fraction form
    178,712.08/246,605.20 = 103,258.96/x
  3. Step 3: Cross multiply
    178,712.08x = 246,605.20 × 103,258.96
  4. Step 4: Simplify right side
    178,712.08x = 25,464,196,482.59
  5. Step 5: Solve for x
    x = 25,464,196,482.59/178,712.08
  6. Step 6: Final answer
    x = 142,487.27

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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.