Home / 187,528.34-258,786.44-106,957.20

Finding the Fourth Proportional to 187,528.34, 258,786.44 and 106,957.20

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Solution

The fourth proportional to 187,528.34, 258,786.44 and 106,957.20 is: 147,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,528.34 : 258,786.44 = 106,957.20 : x
  2. Step 2: Convert to fraction form
    187,528.34/258,786.44 = 106,957.20/x
  3. Step 3: Cross multiply
    187,528.34x = 258,786.44 × 106,957.20
  4. Step 4: Simplify right side
    187,528.34x = 27,679,074,258.21
  5. Step 5: Solve for x
    x = 27,679,074,258.21/187,528.34
  6. Step 6: Final answer
    x = 147,599.42

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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.