Home / 246,400.05-369,645.67-77,962.78

Finding the Fourth Proportional to 246,400.05, 369,645.67 and 77,962.78

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Solution

The fourth proportional to 246,400.05, 369,645.67 and 77,962.78 is: 116,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,400.05 : 369,645.67 = 77,962.78 : x
  2. Step 2: Convert to fraction form
    246,400.05/369,645.67 = 77,962.78/x
  3. Step 3: Cross multiply
    246,400.05x = 369,645.67 × 77,962.78
  4. Step 4: Simplify right side
    246,400.05x = 28,818,604,048.16
  5. Step 5: Solve for x
    x = 28,818,604,048.16/246,400.05
  6. Step 6: Final answer
    x = 116,958.60

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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.