Home / 276,328.46-381,330.57-153,818.90

Finding the Fourth Proportional to 276,328.46, 381,330.57 and 153,818.90

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Solution

The fourth proportional to 276,328.46, 381,330.57 and 153,818.90 is: 212,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,328.46 : 381,330.57 = 153,818.90 : x
  2. Step 2: Convert to fraction form
    276,328.46/381,330.57 = 153,818.90/x
  3. Step 3: Cross multiply
    276,328.46x = 381,330.57 × 153,818.90
  4. Step 4: Simplify right side
    276,328.46x = 58,655,847,483.94
  5. Step 5: Solve for x
    x = 58,655,847,483.94/276,328.46
  6. Step 6: Final answer
    x = 212,268.57

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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.