Home / 187,368.37-258,561.86-106,821.83

Finding the Fourth Proportional to 187,368.37, 258,561.86 and 106,821.83

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Solution

The fourth proportional to 187,368.37, 258,561.86 and 106,821.83 is: 147,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,368.37 : 258,561.86 = 106,821.83 : x
  2. Step 2: Convert to fraction form
    187,368.37/258,561.86 = 106,821.83/x
  3. Step 3: Cross multiply
    187,368.37x = 258,561.86 × 106,821.83
  4. Step 4: Simplify right side
    187,368.37x = 27,620,051,165.70
  5. Step 5: Solve for x
    x = 27,620,051,165.70/187,368.37
  6. Step 6: Final answer
    x = 147,410.43

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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.