Home / 147,947.40-221,877.90-53,166.60

Finding the Fourth Proportional to 147,947.40, 221,877.90 and 53,166.60

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Solution

The fourth proportional to 147,947.40, 221,877.90 and 53,166.60 is: 79,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,947.40 : 221,877.90 = 53,166.60 : x
  2. Step 2: Convert to fraction form
    147,947.40/221,877.90 = 53,166.60/x
  3. Step 3: Cross multiply
    147,947.40x = 221,877.90 × 53,166.60
  4. Step 4: Simplify right side
    147,947.40x = 11,796,493,558.14
  5. Step 5: Solve for x
    x = 11,796,493,558.14/147,947.40
  6. Step 6: Final answer
    x = 79,734.38

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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.