Home / 187,522.80-258,768.48-106,953.76

Finding the Fourth Proportional to 187,522.80, 258,768.48 and 106,953.76

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Solution

The fourth proportional to 187,522.80, 258,768.48 and 106,953.76 is: 147,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,522.80 : 258,768.48 = 106,953.76 : x
  2. Step 2: Convert to fraction form
    187,522.80/258,768.48 = 106,953.76/x
  3. Step 3: Cross multiply
    187,522.80x = 258,768.48 × 106,953.76
  4. Step 4: Simplify right side
    187,522.80x = 27,676,261,905.48
  5. Step 5: Solve for x
    x = 27,676,261,905.48/187,522.80
  6. Step 6: Final answer
    x = 147,588.78

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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.