Home / 147,817.10-221,725.65-103,493.90

Finding the Fourth Proportional to 147,817.10, 221,725.65 and 103,493.90

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Solution

The fourth proportional to 147,817.10, 221,725.65 and 103,493.90 is: 155,240.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,817.10 : 221,725.65 = 103,493.90 : x
  2. Step 2: Convert to fraction form
    147,817.10/221,725.65 = 103,493.90/x
  3. Step 3: Cross multiply
    147,817.10x = 221,725.65 × 103,493.90
  4. Step 4: Simplify right side
    147,817.10x = 22,947,252,248.54
  5. Step 5: Solve for x
    x = 22,947,252,248.54/147,817.10
  6. Step 6: Final answer
    x = 155,240.85

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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.