Home / 185,956.41-256,614.46-105,391.38

Finding the Fourth Proportional to 185,956.41, 256,614.46 and 105,391.38

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Solution

The fourth proportional to 185,956.41, 256,614.46 and 105,391.38 is: 145,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956.41 : 256,614.46 = 105,391.38 : x
  2. Step 2: Convert to fraction form
    185,956.41/256,614.46 = 105,391.38/x
  3. Step 3: Cross multiply
    185,956.41x = 256,614.46 × 105,391.38
  4. Step 4: Simplify right side
    185,956.41x = 27,044,953,359.01
  5. Step 5: Solve for x
    x = 27,044,953,359.01/185,956.41
  6. Step 6: Final answer
    x = 145,437.06

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1.5x scale

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.