Home / 432,514.12-648,537.90-166,341.64

Finding the Fourth Proportional to 432,514.12, 648,537.90 and 166,341.64

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Solution

The fourth proportional to 432,514.12, 648,537.90 and 166,341.64 is: 249,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,514.12 : 648,537.90 = 166,341.64 : x
  2. Step 2: Convert to fraction form
    432,514.12/648,537.90 = 166,341.64/x
  3. Step 3: Cross multiply
    432,514.12x = 648,537.90 × 166,341.64
  4. Step 4: Simplify right side
    432,514.12x = 107,878,857,888.16
  5. Step 5: Solve for x
    x = 107,878,857,888.16/432,514.12
  6. Step 6: Final answer
    x = 249,422.74

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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.