Home / 331,975.26-497,961.90-142,312.68

Finding the Fourth Proportional to 331,975.26, 497,961.90 and 142,312.68

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Solution

The fourth proportional to 331,975.26, 497,961.90 and 142,312.68 is: 213,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,975.26 : 497,961.90 = 142,312.68 : x
  2. Step 2: Convert to fraction form
    331,975.26/497,961.90 = 142,312.68/x
  3. Step 3: Cross multiply
    331,975.26x = 497,961.90 × 142,312.68
  4. Step 4: Simplify right side
    331,975.26x = 70,866,292,526.89
  5. Step 5: Solve for x
    x = 70,866,292,526.89/331,975.26
  6. Step 6: Final answer
    x = 213,468.60

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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.