Home / 164,536.20-247,095.90-127,187.10

Finding the Fourth Proportional to 164,536.20, 247,095.90 and 127,187.10

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Solution

The fourth proportional to 164,536.20, 247,095.90 and 127,187.10 is: 191,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,536.20 : 247,095.90 = 127,187.10 : x
  2. Step 2: Convert to fraction form
    164,536.20/247,095.90 = 127,187.10/x
  3. Step 3: Cross multiply
    164,536.20x = 247,095.90 × 127,187.10
  4. Step 4: Simplify right side
    164,536.20x = 31,427,410,942.89
  5. Step 5: Solve for x
    x = 31,427,410,942.89/164,536.20
  6. Step 6: Final answer
    x = 191,006.06

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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.