Home / 371,941.24-558,149.48-135,261.40

Finding the Fourth Proportional to 371,941.24, 558,149.48 and 135,261.40

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Solution

The fourth proportional to 371,941.24, 558,149.48 and 135,261.40 is: 202,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,941.24 : 558,149.48 = 135,261.40 : x
  2. Step 2: Convert to fraction form
    371,941.24/558,149.48 = 135,261.40/x
  3. Step 3: Cross multiply
    371,941.24x = 558,149.48 × 135,261.40
  4. Step 4: Simplify right side
    371,941.24x = 75,496,080,074.07
  5. Step 5: Solve for x
    x = 75,496,080,074.07/371,941.24
  6. Step 6: Final answer
    x = 202,978.51

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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.