Home / 320,836.95-442,765.44-184,860.36

Finding the Fourth Proportional to 320,836.95, 442,765.44 and 184,860.36

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Solution

The fourth proportional to 320,836.95, 442,765.44 and 184,860.36 is: 255,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,836.95 : 442,765.44 = 184,860.36 : x
  2. Step 2: Convert to fraction form
    320,836.95/442,765.44 = 184,860.36/x
  3. Step 3: Cross multiply
    320,836.95x = 442,765.44 × 184,860.36
  4. Step 4: Simplify right side
    320,836.95x = 81,849,778,633.96
  5. Step 5: Solve for x
    x = 81,849,778,633.96/320,836.95
  6. Step 6: Final answer
    x = 255,113.32

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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.