Home / 105,190.74-145,164.20-59,866.53

Finding the Fourth Proportional to 105,190.74, 145,164.20 and 59,866.53

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Solution

The fourth proportional to 105,190.74, 145,164.20 and 59,866.53 is: 82,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190.74 : 145,164.20 = 59,866.53 : x
  2. Step 2: Convert to fraction form
    105,190.74/145,164.20 = 59,866.53/x
  3. Step 3: Cross multiply
    105,190.74x = 145,164.20 × 59,866.53
  4. Step 4: Simplify right side
    105,190.74x = 8,690,476,634.89
  5. Step 5: Solve for x
    x = 8,690,476,634.89/105,190.74
  6. Step 6: Final answer
    x = 82,616.37

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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.