Home / 320,966.93-442,933.57-184,999.77

Finding the Fourth Proportional to 320,966.93, 442,933.57 and 184,999.77

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Solution

The fourth proportional to 320,966.93, 442,933.57 and 184,999.77 is: 255,299.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,966.93 : 442,933.57 = 184,999.77 : x
  2. Step 2: Convert to fraction form
    320,966.93/442,933.57 = 184,999.77/x
  3. Step 3: Cross multiply
    320,966.93x = 442,933.57 × 184,999.77
  4. Step 4: Simplify right side
    320,966.93x = 81,942,609,011.66
  5. Step 5: Solve for x
    x = 81,942,609,011.66/320,966.93
  6. Step 6: Final answer
    x = 255,299.23

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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.