Home / 240,609.38-332,128.56-140,007.38

Finding the Fourth Proportional to 240,609.38, 332,128.56 and 140,007.38

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Solution

The fourth proportional to 240,609.38, 332,128.56 and 140,007.38 is: 193,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,609.38 : 332,128.56 = 140,007.38 : x
  2. Step 2: Convert to fraction form
    240,609.38/332,128.56 = 140,007.38/x
  3. Step 3: Cross multiply
    240,609.38x = 332,128.56 × 140,007.38
  4. Step 4: Simplify right side
    240,609.38x = 46,500,447,848.13
  5. Step 5: Solve for x
    x = 46,500,447,848.13/240,609.38
  6. Step 6: Final answer
    x = 193,261.16

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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.