Home / 276,789.12-382,031.16-181,240.32

Finding the Fourth Proportional to 276,789.12, 382,031.16 and 181,240.32

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Solution

The fourth proportional to 276,789.12, 382,031.16 and 181,240.32 is: 250,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,789.12 : 382,031.16 = 181,240.32 : x
  2. Step 2: Convert to fraction form
    276,789.12/382,031.16 = 181,240.32/x
  3. Step 3: Cross multiply
    276,789.12x = 382,031.16 × 181,240.32
  4. Step 4: Simplify right side
    276,789.12x = 69,239,449,688.37
  5. Step 5: Solve for x
    x = 69,239,449,688.37/276,789.12
  6. Step 6: Final answer
    x = 250,152.35

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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.