Home / 276,681.56-381,833.34-155,861.24

Finding the Fourth Proportional to 276,681.56, 381,833.34 and 155,861.24

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Solution

The fourth proportional to 276,681.56, 381,833.34 and 155,861.24 is: 215,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,681.56 : 381,833.34 = 155,861.24 : x
  2. Step 2: Convert to fraction form
    276,681.56/381,833.34 = 155,861.24/x
  3. Step 3: Cross multiply
    276,681.56x = 381,833.34 × 155,861.24
  4. Step 4: Simplify right side
    276,681.56x = 59,513,017,845.74
  5. Step 5: Solve for x
    x = 59,513,017,845.74/276,681.56
  6. Step 6: Final answer
    x = 215,095.71

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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.