Home / 105,202.23-145,179.24-59,880.21

Finding the Fourth Proportional to 105,202.23, 145,179.24 and 59,880.21

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Solution

The fourth proportional to 105,202.23, 145,179.24 and 59,880.21 is: 82,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,202.23 : 145,179.24 = 59,880.21 : x
  2. Step 2: Convert to fraction form
    105,202.23/145,179.24 = 59,880.21/x
  3. Step 3: Cross multiply
    105,202.23x = 145,179.24 × 59,880.21
  4. Step 4: Simplify right side
    105,202.23x = 8,693,363,079.44
  5. Step 5: Solve for x
    x = 8,693,363,079.44/105,202.23
  6. Step 6: Final answer
    x = 82,634.78

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1.5x scale

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.