Home / 320,333.43-442,053.54-177,090.33

Finding the Fourth Proportional to 320,333.43, 442,053.54 and 177,090.33

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Solution

The fourth proportional to 320,333.43, 442,053.54 and 177,090.33 is: 244,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,333.43 : 442,053.54 = 177,090.33 : x
  2. Step 2: Convert to fraction form
    320,333.43/442,053.54 = 177,090.33/x
  3. Step 3: Cross multiply
    320,333.43x = 442,053.54 × 177,090.33
  4. Step 4: Simplify right side
    320,333.43x = 78,283,407,276.27
  5. Step 5: Solve for x
    x = 78,283,407,276.27/320,333.43
  6. Step 6: Final answer
    x = 244,381.01

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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.