Home / 320,926.24-442,939.44-185,050.72

Finding the Fourth Proportional to 320,926.24, 442,939.44 and 185,050.72

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Solution

The fourth proportional to 320,926.24, 442,939.44 and 185,050.72 is: 255,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,926.24 : 442,939.44 = 185,050.72 : x
  2. Step 2: Convert to fraction form
    320,926.24/442,939.44 = 185,050.72/x
  3. Step 3: Cross multiply
    320,926.24x = 442,939.44 × 185,050.72
  4. Step 4: Simplify right side
    320,926.24x = 81,966,262,288.40
  5. Step 5: Solve for x
    x = 81,966,262,288.40/320,926.24
  6. Step 6: Final answer
    x = 255,405.30

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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.