Home / 302,590.20-453,885.30-203,057.40

Finding the Fourth Proportional to 302,590.20, 453,885.30 and 203,057.40

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Solution

The fourth proportional to 302,590.20, 453,885.30 and 203,057.40 is: 304,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,590.20 : 453,885.30 = 203,057.40 : x
  2. Step 2: Convert to fraction form
    302,590.20/453,885.30 = 203,057.40/x
  3. Step 3: Cross multiply
    302,590.20x = 453,885.30 × 203,057.40
  4. Step 4: Simplify right side
    302,590.20x = 92,164,768,916.22
  5. Step 5: Solve for x
    x = 92,164,768,916.22/302,590.20
  6. Step 6: Final answer
    x = 304,586.10

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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.