Home / 161,946.42-223,370.37-140,397.65

Finding the Fourth Proportional to 161,946.42, 223,370.37 and 140,397.65

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Solution

The fourth proportional to 161,946.42, 223,370.37 and 140,397.65 is: 193,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.42 : 223,370.37 = 140,397.65 : x
  2. Step 2: Convert to fraction form
    161,946.42/223,370.37 = 140,397.65/x
  3. Step 3: Cross multiply
    161,946.42x = 223,370.37 × 140,397.65
  4. Step 4: Simplify right side
    161,946.42x = 31,360,673,910.78
  5. Step 5: Solve for x
    x = 31,360,673,910.78/161,946.42
  6. Step 6: Final answer
    x = 193,648.45

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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.