Home / 331,878.02-497,784.22-132,144.77

Finding the Fourth Proportional to 331,878.02, 497,784.22 and 132,144.77

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Solution

The fourth proportional to 331,878.02, 497,784.22 and 132,144.77 is: 198,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,878.02 : 497,784.22 = 132,144.77 : x
  2. Step 2: Convert to fraction form
    331,878.02/497,784.22 = 132,144.77/x
  3. Step 3: Cross multiply
    331,878.02x = 497,784.22 × 132,144.77
  4. Step 4: Simplify right side
    331,878.02x = 65,779,582,175.63
  5. Step 5: Solve for x
    x = 65,779,582,175.63/331,878.02
  6. Step 6: Final answer
    x = 198,204.10

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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.