Home / 118,269.99-163,211.31-64,554.57

Finding the Fourth Proportional to 118,269.99, 163,211.31 and 64,554.57

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Solution

The fourth proportional to 118,269.99, 163,211.31 and 64,554.57 is: 89,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269.99 : 163,211.31 = 64,554.57 : x
  2. Step 2: Convert to fraction form
    118,269.99/163,211.31 = 64,554.57/x
  3. Step 3: Cross multiply
    118,269.99x = 163,211.31 × 64,554.57
  4. Step 4: Simplify right side
    118,269.99x = 10,536,035,936.19
  5. Step 5: Solve for x
    x = 10,536,035,936.19/118,269.99
  6. Step 6: Final answer
    x = 89,084.61

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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.