Home / 140,365.38-193,738.72-117,668.42

Finding the Fourth Proportional to 140,365.38, 193,738.72 and 117,668.42

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Solution

The fourth proportional to 140,365.38, 193,738.72 and 117,668.42 is: 162,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,365.38 : 193,738.72 = 117,668.42 : x
  2. Step 2: Convert to fraction form
    140,365.38/193,738.72 = 117,668.42/x
  3. Step 3: Cross multiply
    140,365.38x = 193,738.72 × 117,668.42
  4. Step 4: Simplify right side
    140,365.38x = 22,796,928,106.53
  5. Step 5: Solve for x
    x = 22,796,928,106.53/140,365.38
  6. Step 6: Final answer
    x = 162,411.34

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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.