Home / 163,383.78-245,074.77-63,613.38

Finding the Fourth Proportional to 163,383.78, 245,074.77 and 63,613.38

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Solution

The fourth proportional to 163,383.78, 245,074.77 and 63,613.38 is: 95,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,383.78 : 245,074.77 = 63,613.38 : x
  2. Step 2: Convert to fraction form
    163,383.78/245,074.77 = 63,613.38/x
  3. Step 3: Cross multiply
    163,383.78x = 245,074.77 × 63,613.38
  4. Step 4: Simplify right side
    163,383.78x = 15,590,034,472.42
  5. Step 5: Solve for x
    x = 15,590,034,472.42/163,383.78
  6. Step 6: Final answer
    x = 95,419.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.