Home / 276,096.39-381,008.40-153,587.31

Finding the Fourth Proportional to 276,096.39, 381,008.40 and 153,587.31

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Solution

The fourth proportional to 276,096.39, 381,008.40 and 153,587.31 is: 211,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,096.39 : 381,008.40 = 153,587.31 : x
  2. Step 2: Convert to fraction form
    276,096.39/381,008.40 = 153,587.31/x
  3. Step 3: Cross multiply
    276,096.39x = 381,008.40 × 153,587.31
  4. Step 4: Simplify right side
    276,096.39x = 58,518,053,338.36
  5. Step 5: Solve for x
    x = 58,518,053,338.36/276,096.39
  6. Step 6: Final answer
    x = 211,947.92

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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.