Home / 187,459.20-258,690.24-102,574.56

Finding the Fourth Proportional to 187,459.20, 258,690.24 and 102,574.56

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Solution

The fourth proportional to 187,459.20, 258,690.24 and 102,574.56 is: 141,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,459.20 : 258,690.24 = 102,574.56 : x
  2. Step 2: Convert to fraction form
    187,459.20/258,690.24 = 102,574.56/x
  3. Step 3: Cross multiply
    187,459.20x = 258,690.24 × 102,574.56
  4. Step 4: Simplify right side
    187,459.20x = 26,535,037,544.29
  5. Step 5: Solve for x
    x = 26,535,037,544.29/187,459.20
  6. Step 6: Final answer
    x = 141,551.00

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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.