Home / 320,345.01-442,058.45-177,096.51

Finding the Fourth Proportional to 320,345.01, 442,058.45 and 177,096.51

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Solution

The fourth proportional to 320,345.01, 442,058.45 and 177,096.51 is: 244,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,345.01 : 442,058.45 = 177,096.51 : x
  2. Step 2: Convert to fraction form
    320,345.01/442,058.45 = 177,096.51/x
  3. Step 3: Cross multiply
    320,345.01x = 442,058.45 × 177,096.51
  4. Step 4: Simplify right side
    320,345.01x = 78,287,007,825.53
  5. Step 5: Solve for x
    x = 78,287,007,825.53/320,345.01
  6. Step 6: Final answer
    x = 244,383.42

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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.