Home / 294,514.42-406,420.74-173,663.20

Finding the Fourth Proportional to 294,514.42, 406,420.74 and 173,663.20

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Solution

The fourth proportional to 294,514.42, 406,420.74 and 173,663.20 is: 239,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,514.42 : 406,420.74 = 173,663.20 : x
  2. Step 2: Convert to fraction form
    294,514.42/406,420.74 = 173,663.20/x
  3. Step 3: Cross multiply
    294,514.42x = 406,420.74 × 173,663.20
  4. Step 4: Simplify right side
    294,514.42x = 70,580,326,254.77
  5. Step 5: Solve for x
    x = 70,580,326,254.77/294,514.42
  6. Step 6: Final answer
    x = 239,649.81

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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.