Home / 320,875.65-442,678.77-184,836.69

Finding the Fourth Proportional to 320,875.65, 442,678.77 and 184,836.69

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Solution

The fourth proportional to 320,875.65, 442,678.77 and 184,836.69 is: 254,999.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,875.65 : 442,678.77 = 184,836.69 : x
  2. Step 2: Convert to fraction form
    320,875.65/442,678.77 = 184,836.69/x
  3. Step 3: Cross multiply
    320,875.65x = 442,678.77 × 184,836.69
  4. Step 4: Simplify right side
    320,875.65x = 81,823,278,580.07
  5. Step 5: Solve for x
    x = 81,823,278,580.07/320,875.65
  6. Step 6: Final answer
    x = 254,999.96

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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.