Home / 432,482.10-648,836.55-166,251.30

Finding the Fourth Proportional to 432,482.10, 648,836.55 and 166,251.30

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Solution

The fourth proportional to 432,482.10, 648,836.55 and 166,251.30 is: 249,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,482.10 : 648,836.55 = 166,251.30 : x
  2. Step 2: Convert to fraction form
    432,482.10/648,836.55 = 166,251.30/x
  3. Step 3: Cross multiply
    432,482.10x = 648,836.55 × 166,251.30
  4. Step 4: Simplify right side
    432,482.10x = 107,869,919,925.02
  5. Step 5: Solve for x
    x = 107,869,919,925.02/432,482.10
  6. Step 6: Final answer
    x = 249,420.54

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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.