Home / 246,267.20-369,421.76-77,742.45

Finding the Fourth Proportional to 246,267.20, 369,421.76 and 77,742.45

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Solution

The fourth proportional to 246,267.20, 369,421.76 and 77,742.45 is: 116,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,267.20 : 369,421.76 = 77,742.45 : x
  2. Step 2: Convert to fraction form
    246,267.20/369,421.76 = 77,742.45/x
  3. Step 3: Cross multiply
    246,267.20x = 369,421.76 × 77,742.45
  4. Step 4: Simplify right side
    246,267.20x = 28,719,752,900.07
  5. Step 5: Solve for x
    x = 28,719,752,900.07/246,267.20
  6. Step 6: Final answer
    x = 116,620.29

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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.