Home / 432,548.10-648,935.55-166,317.30

Finding the Fourth Proportional to 432,548.10, 648,935.55 and 166,317.30

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Solution

The fourth proportional to 432,548.10, 648,935.55 and 166,317.30 is: 249,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,548.10 : 648,935.55 = 166,317.30 : x
  2. Step 2: Convert to fraction form
    432,548.10/648,935.55 = 166,317.30/x
  3. Step 3: Cross multiply
    432,548.10x = 648,935.55 × 166,317.30
  4. Step 4: Simplify right side
    432,548.10x = 107,929,208,550.02
  5. Step 5: Solve for x
    x = 107,929,208,550.02/432,548.10
  6. Step 6: Final answer
    x = 249,519.55

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1.5x scale

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.