Home / 185,616.72-256,138.88-105,052.50

Finding the Fourth Proportional to 185,616.72, 256,138.88 and 105,052.50

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Solution

The fourth proportional to 185,616.72, 256,138.88 and 105,052.50 is: 144,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.72 : 256,138.88 = 105,052.50 : x
  2. Step 2: Convert to fraction form
    185,616.72/256,138.88 = 105,052.50/x
  3. Step 3: Cross multiply
    185,616.72x = 256,138.88 × 105,052.50
  4. Step 4: Simplify right side
    185,616.72x = 26,908,029,165.94
  5. Step 5: Solve for x
    x = 26,908,029,165.94/185,616.72
  6. Step 6: Final answer
    x = 144,965.55

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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.