Home / 276,430.81-381,592.22-185,839.31

Finding the Fourth Proportional to 276,430.81, 381,592.22 and 185,839.31

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Solution

The fourth proportional to 276,430.81, 381,592.22 and 185,839.31 is: 256,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,430.81 : 381,592.22 = 185,839.31 : x
  2. Step 2: Convert to fraction form
    276,430.81/381,592.22 = 185,839.31/x
  3. Step 3: Cross multiply
    276,430.81x = 381,592.22 × 185,839.31
  4. Step 4: Simplify right side
    276,430.81x = 70,914,834,890.95
  5. Step 5: Solve for x
    x = 70,914,834,890.95/276,430.81
  6. Step 6: Final answer
    x = 256,537.38

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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.