Home / 187,410.61-258,632.75-102,527.68

Finding the Fourth Proportional to 187,410.61, 258,632.75 and 102,527.68

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Solution

The fourth proportional to 187,410.61, 258,632.75 and 102,527.68 is: 141,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,410.61 : 258,632.75 = 102,527.68 : x
  2. Step 2: Convert to fraction form
    187,410.61/258,632.75 = 102,527.68/x
  3. Step 3: Cross multiply
    187,410.61x = 258,632.75 × 102,527.68
  4. Step 4: Simplify right side
    187,410.61x = 26,517,015,829.52
  5. Step 5: Solve for x
    x = 26,517,015,829.52/187,410.61
  6. Step 6: Final answer
    x = 141,491.54

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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.