Home / 139,129.11-208,652.63-59,166.92

Finding the Fourth Proportional to 139,129.11, 208,652.63 and 59,166.92

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Solution

The fourth proportional to 139,129.11, 208,652.63 and 59,166.92 is: 88,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,129.11 : 208,652.63 = 59,166.92 : x
  2. Step 2: Convert to fraction form
    139,129.11/208,652.63 = 59,166.92/x
  3. Step 3: Cross multiply
    139,129.11x = 208,652.63 × 59,166.92
  4. Step 4: Simplify right side
    139,129.11x = 12,345,333,692.80
  5. Step 5: Solve for x
    x = 12,345,333,692.80/139,129.11
  6. Step 6: Final answer
    x = 88,732.93

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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.