Home / 276,105.17-414,158.33-76,426.13

Finding the Fourth Proportional to 276,105.17, 414,158.33 and 76,426.13

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Solution

The fourth proportional to 276,105.17, 414,158.33 and 76,426.13 is: 114,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,105.17 : 414,158.33 = 76,426.13 : x
  2. Step 2: Convert to fraction form
    276,105.17/414,158.33 = 76,426.13/x
  3. Step 3: Cross multiply
    276,105.17x = 414,158.33 × 76,426.13
  4. Step 4: Simplify right side
    276,105.17x = 31,652,515,916.24
  5. Step 5: Solve for x
    x = 31,652,515,916.24/276,105.17
  6. Step 6: Final answer
    x = 114,639.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.