Home / 320,231.40-441,920.76-175,040.16

Finding the Fourth Proportional to 320,231.40, 441,920.76 and 175,040.16

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Solution

The fourth proportional to 320,231.40, 441,920.76 and 175,040.16 is: 241,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,231.40 : 441,920.76 = 175,040.16 : x
  2. Step 2: Convert to fraction form
    320,231.40/441,920.76 = 175,040.16/x
  3. Step 3: Cross multiply
    320,231.40x = 441,920.76 × 175,040.16
  4. Step 4: Simplify right side
    320,231.40x = 77,353,880,537.72
  5. Step 5: Solve for x
    x = 77,353,880,537.72/320,231.40
  6. Step 6: Final answer
    x = 241,556.20

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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.