Home / 385,383.30-577,200.15-198,176.10

Finding the Fourth Proportional to 385,383.30, 577,200.15 and 198,176.10

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Solution

The fourth proportional to 385,383.30, 577,200.15 and 198,176.10 is: 296,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,383.30 : 577,200.15 = 198,176.10 : x
  2. Step 2: Convert to fraction form
    385,383.30/577,200.15 = 198,176.10/x
  3. Step 3: Cross multiply
    385,383.30x = 577,200.15 × 198,176.10
  4. Step 4: Simplify right side
    385,383.30x = 114,387,274,646.42
  5. Step 5: Solve for x
    x = 114,387,274,646.42/385,383.30
  6. Step 6: Final answer
    x = 296,814.30

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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.