Home / 320,328.76-442,097.58-184,359.94

Finding the Fourth Proportional to 320,328.76, 442,097.58 and 184,359.94

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Solution

The fourth proportional to 320,328.76, 442,097.58 and 184,359.94 is: 254,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,328.76 : 442,097.58 = 184,359.94 : x
  2. Step 2: Convert to fraction form
    320,328.76/442,097.58 = 184,359.94/x
  3. Step 3: Cross multiply
    320,328.76x = 442,097.58 × 184,359.94
  4. Step 4: Simplify right side
    320,328.76x = 81,505,083,322.95
  5. Step 5: Solve for x
    x = 81,505,083,322.95/320,328.76
  6. Step 6: Final answer
    x = 254,441.98

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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.