Home / 187,463.96-258,699.18-101,422.72

Finding the Fourth Proportional to 187,463.96, 258,699.18 and 101,422.72

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Solution

The fourth proportional to 187,463.96, 258,699.18 and 101,422.72 is: 139,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,463.96 : 258,699.18 = 101,422.72 : x
  2. Step 2: Convert to fraction form
    187,463.96/258,699.18 = 101,422.72/x
  3. Step 3: Cross multiply
    187,463.96x = 258,699.18 × 101,422.72
  4. Step 4: Simplify right side
    187,463.96x = 26,237,974,497.37
  5. Step 5: Solve for x
    x = 26,237,974,497.37/187,463.96
  6. Step 6: Final answer
    x = 139,962.77

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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.