Home / 433,276.80-649,755.96-148,886.70

Finding the Fourth Proportional to 433,276.80, 649,755.96 and 148,886.70

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Solution

The fourth proportional to 433,276.80, 649,755.96 and 148,886.70 is: 223,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,276.80 : 649,755.96 = 148,886.70 : x
  2. Step 2: Convert to fraction form
    433,276.80/649,755.96 = 148,886.70/x
  3. Step 3: Cross multiply
    433,276.80x = 649,755.96 × 148,886.70
  4. Step 4: Simplify right side
    433,276.80x = 96,740,020,689.73
  5. Step 5: Solve for x
    x = 96,740,020,689.73/433,276.80
  6. Step 6: Final answer
    x = 223,275.33

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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.