Home / 436,644.22-654,966.30-121,101.13

Finding the Fourth Proportional to 436,644.22, 654,966.30 and 121,101.13

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Solution

The fourth proportional to 436,644.22, 654,966.30 and 121,101.13 is: 181,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,644.22 : 654,966.30 = 121,101.13 : x
  2. Step 2: Convert to fraction form
    436,644.22/654,966.30 = 121,101.13/x
  3. Step 3: Cross multiply
    436,644.22x = 654,966.30 × 121,101.13
  4. Step 4: Simplify right side
    436,644.22x = 79,317,159,041.92
  5. Step 5: Solve for x
    x = 79,317,159,041.92/436,644.22
  6. Step 6: Final answer
    x = 181,651.69

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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.