Home / 320,012.16-441,608.28-176,769.12

Finding the Fourth Proportional to 320,012.16, 441,608.28 and 176,769.12

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Solution

The fourth proportional to 320,012.16, 441,608.28 and 176,769.12 is: 243,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,012.16 : 441,608.28 = 176,769.12 : x
  2. Step 2: Convert to fraction form
    320,012.16/441,608.28 = 176,769.12/x
  3. Step 3: Cross multiply
    320,012.16x = 441,608.28 × 176,769.12
  4. Step 4: Simplify right side
    320,012.16x = 78,062,707,040.31
  5. Step 5: Solve for x
    x = 78,062,707,040.31/320,012.16
  6. Step 6: Final answer
    x = 243,936.69

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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.