Home / 320,318.55-442,083.83-184,349.93

Finding the Fourth Proportional to 320,318.55, 442,083.83 and 184,349.93

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Solution

The fourth proportional to 320,318.55, 442,083.83 and 184,349.93 is: 254,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,318.55 : 442,083.83 = 184,349.93 : x
  2. Step 2: Convert to fraction form
    320,318.55/442,083.83 = 184,349.93/x
  3. Step 3: Cross multiply
    320,318.55x = 442,083.83 × 184,349.93
  4. Step 4: Simplify right side
    320,318.55x = 81,498,119,982.46
  5. Step 5: Solve for x
    x = 81,498,119,982.46/320,318.55
  6. Step 6: Final answer
    x = 254,428.35

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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.