Home / 187,635.12-258,936.84-101,595

Finding the Fourth Proportional to 187,635.12, 258,936.84 and 101,595

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Solution

The fourth proportional to 187,635.12, 258,936.84 and 101,595 is: 140,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,635.12 : 258,936.84 = 101,595 : x
  2. Step 2: Convert to fraction form
    187,635.12/258,936.84 = 101,595/x
  3. Step 3: Cross multiply
    187,635.12x = 258,936.84 × 101,595
  4. Step 4: Simplify right side
    187,635.12x = 26,306,688,259.80
  5. Step 5: Solve for x
    x = 26,306,688,259.80/187,635.12
  6. Step 6: Final answer
    x = 140,201.30

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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.