Home / 164,949.40-247,424.10-131,488.30

Finding the Fourth Proportional to 164,949.40, 247,424.10 and 131,488.30

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Solution

The fourth proportional to 164,949.40, 247,424.10 and 131,488.30 is: 197,232.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,949.40 : 247,424.10 = 131,488.30 : x
  2. Step 2: Convert to fraction form
    164,949.40/247,424.10 = 131,488.30/x
  3. Step 3: Cross multiply
    164,949.40x = 247,424.10 × 131,488.30
  4. Step 4: Simplify right side
    164,949.40x = 32,533,374,288.03
  5. Step 5: Solve for x
    x = 32,533,374,288.03/164,949.40
  6. Step 6: Final answer
    x = 197,232.45

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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.