Home / 131,501.61-197,127.54-42,692.94

Finding the Fourth Proportional to 131,501.61, 197,127.54 and 42,692.94

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Solution

The fourth proportional to 131,501.61, 197,127.54 and 42,692.94 is: 63,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,501.61 : 197,127.54 = 42,692.94 : x
  2. Step 2: Convert to fraction form
    131,501.61/197,127.54 = 42,692.94/x
  3. Step 3: Cross multiply
    131,501.61x = 197,127.54 × 42,692.94
  4. Step 4: Simplify right side
    131,501.61x = 8,415,954,237.57
  5. Step 5: Solve for x
    x = 8,415,954,237.57/131,501.61
  6. Step 6: Final answer
    x = 63,998.87

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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.