Home / 276,784.12-382,024.26-181,235.32

Finding the Fourth Proportional to 276,784.12, 382,024.26 and 181,235.32

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Solution

The fourth proportional to 276,784.12, 382,024.26 and 181,235.32 is: 250,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,784.12 : 382,024.26 = 181,235.32 : x
  2. Step 2: Convert to fraction form
    276,784.12/382,024.26 = 181,235.32/x
  3. Step 3: Cross multiply
    276,784.12x = 382,024.26 × 181,235.32
  4. Step 4: Simplify right side
    276,784.12x = 69,236,289,008.86
  5. Step 5: Solve for x
    x = 69,236,289,008.86/276,784.12
  6. Step 6: Final answer
    x = 250,145.45

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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.