Home / 185,956.34-256,625.16-105,381.18

Finding the Fourth Proportional to 185,956.34, 256,625.16 and 105,381.18

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Solution

The fourth proportional to 185,956.34, 256,625.16 and 105,381.18 is: 145,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956.34 : 256,625.16 = 105,381.18 : x
  2. Step 2: Convert to fraction form
    185,956.34/256,625.16 = 105,381.18/x
  3. Step 3: Cross multiply
    185,956.34x = 256,625.16 × 105,381.18
  4. Step 4: Simplify right side
    185,956.34x = 27,043,462,178.49
  5. Step 5: Solve for x
    x = 27,043,462,178.49/185,956.34
  6. Step 6: Final answer
    x = 145,429.09

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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.