Home / 320,683.32-442,493.10-184,722.84

Finding the Fourth Proportional to 320,683.32, 442,493.10 and 184,722.84

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Solution

The fourth proportional to 320,683.32, 442,493.10 and 184,722.84 is: 254,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,683.32 : 442,493.10 = 184,722.84 : x
  2. Step 2: Convert to fraction form
    320,683.32/442,493.10 = 184,722.84/x
  3. Step 3: Cross multiply
    320,683.32x = 442,493.10 × 184,722.84
  4. Step 4: Simplify right side
    320,683.32x = 81,738,582,112.40
  5. Step 5: Solve for x
    x = 81,738,582,112.40/320,683.32
  6. Step 6: Final answer
    x = 254,888.79

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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.