Home / 105,932.25-146,199.47-61,220.25

Finding the Fourth Proportional to 105,932.25, 146,199.47 and 61,220.25

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Solution

The fourth proportional to 105,932.25, 146,199.47 and 61,220.25 is: 84,491.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,932.25 : 146,199.47 = 61,220.25 : x
  2. Step 2: Convert to fraction form
    105,932.25/146,199.47 = 61,220.25/x
  3. Step 3: Cross multiply
    105,932.25x = 146,199.47 × 61,220.25
  4. Step 4: Simplify right side
    105,932.25x = 8,950,367,797.17
  5. Step 5: Solve for x
    x = 8,950,367,797.17/105,932.25
  6. Step 6: Final answer
    x = 84,491.43

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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.