Home / 331,427.90-497,206.65-131,714.30

Finding the Fourth Proportional to 331,427.90, 497,206.65 and 131,714.30

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Solution

The fourth proportional to 331,427.90, 497,206.65 and 131,714.30 is: 197,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,427.90 : 497,206.65 = 131,714.30 : x
  2. Step 2: Convert to fraction form
    331,427.90/497,206.65 = 131,714.30/x
  3. Step 3: Cross multiply
    331,427.90x = 497,206.65 × 131,714.30
  4. Step 4: Simplify right side
    331,427.90x = 65,489,225,860.10
  5. Step 5: Solve for x
    x = 65,489,225,860.10/331,427.90
  6. Step 6: Final answer
    x = 197,597.20

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1.5x scale

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.