Home / 436,950.43-655,461.02-121,407.37

Finding the Fourth Proportional to 436,950.43, 655,461.02 and 121,407.37

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Solution

The fourth proportional to 436,950.43, 655,461.02 and 121,407.37 is: 182,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,950.43 : 655,461.02 = 121,407.37 : x
  2. Step 2: Convert to fraction form
    436,950.43/655,461.02 = 121,407.37/x
  3. Step 3: Cross multiply
    436,950.43x = 655,461.02 × 121,407.37
  4. Step 4: Simplify right side
    436,950.43x = 79,577,798,575.72
  5. Step 5: Solve for x
    x = 79,577,798,575.72/436,950.43
  6. Step 6: Final answer
    x = 182,120.88

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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.