Home / 331,827.60-497,741.40-199,117.20

Finding the Fourth Proportional to 331,827.60, 497,741.40 and 199,117.20

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Solution

The fourth proportional to 331,827.60, 497,741.40 and 199,117.20 is: 298,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,827.60 : 497,741.40 = 199,117.20 : x
  2. Step 2: Convert to fraction form
    331,827.60/497,741.40 = 199,117.20/x
  3. Step 3: Cross multiply
    331,827.60x = 497,741.40 × 199,117.20
  4. Step 4: Simplify right side
    331,827.60x = 99,108,873,892.08
  5. Step 5: Solve for x
    x = 99,108,873,892.08/331,827.60
  6. Step 6: Final answer
    x = 298,675.80

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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.