Home / 302,876.40-454,310.55-92,515.35

Finding the Fourth Proportional to 302,876.40, 454,310.55 and 92,515.35

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Solution

The fourth proportional to 302,876.40, 454,310.55 and 92,515.35 is: 138,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,876.40 : 454,310.55 = 92,515.35 : x
  2. Step 2: Convert to fraction form
    302,876.40/454,310.55 = 92,515.35/x
  3. Step 3: Cross multiply
    302,876.40x = 454,310.55 × 92,515.35
  4. Step 4: Simplify right side
    302,876.40x = 42,030,699,541.94
  5. Step 5: Solve for x
    x = 42,030,699,541.94/302,876.40
  6. Step 6: Final answer
    x = 138,771.79

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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.