Home / 537,042.20-805,503.09-137,692.35

Finding the Fourth Proportional to 537,042.20, 805,503.09 and 137,692.35

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Solution

The fourth proportional to 537,042.20, 805,503.09 and 137,692.35 is: 206,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,042.20 : 805,503.09 = 137,692.35 : x
  2. Step 2: Convert to fraction form
    537,042.20/805,503.09 = 137,692.35/x
  3. Step 3: Cross multiply
    537,042.20x = 805,503.09 × 137,692.35
  4. Step 4: Simplify right side
    537,042.20x = 110,911,613,394.36
  5. Step 5: Solve for x
    x = 110,911,613,394.36/537,042.20
  6. Step 6: Final answer
    x = 206,523.09

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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.