Home / 106,946.10-147,583.80-59,198.40

Finding the Fourth Proportional to 106,946.10, 147,583.80 and 59,198.40

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Solution

The fourth proportional to 106,946.10, 147,583.80 and 59,198.40 is: 81,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,946.10 : 147,583.80 = 59,198.40 : x
  2. Step 2: Convert to fraction form
    106,946.10/147,583.80 = 59,198.40/x
  3. Step 3: Cross multiply
    106,946.10x = 147,583.80 × 59,198.40
  4. Step 4: Simplify right side
    106,946.10x = 8,736,724,825.92
  5. Step 5: Solve for x
    x = 8,736,724,825.92/106,946.10
  6. Step 6: Final answer
    x = 81,692.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.