Home / 114,555.15-158,128.09-69,234.84

Finding the Fourth Proportional to 114,555.15, 158,128.09 and 69,234.84

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Solution

The fourth proportional to 114,555.15, 158,128.09 and 69,234.84 is: 95,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,555.15 : 158,128.09 = 69,234.84 : x
  2. Step 2: Convert to fraction form
    114,555.15/158,128.09 = 69,234.84/x
  3. Step 3: Cross multiply
    114,555.15x = 158,128.09 × 69,234.84
  4. Step 4: Simplify right side
    114,555.15x = 10,947,972,837.57
  5. Step 5: Solve for x
    x = 10,947,972,837.57/114,555.15
  6. Step 6: Final answer
    x = 95,569.45

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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.