Home / 116,254.42-160,436.37-68,509.78

Finding the Fourth Proportional to 116,254.42, 160,436.37 and 68,509.78

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Solution

The fourth proportional to 116,254.42, 160,436.37 and 68,509.78 is: 94,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,254.42 : 160,436.37 = 68,509.78 : x
  2. Step 2: Convert to fraction form
    116,254.42/160,436.37 = 68,509.78/x
  3. Step 3: Cross multiply
    116,254.42x = 160,436.37 × 68,509.78
  4. Step 4: Simplify right side
    116,254.42x = 10,991,460,412.70
  5. Step 5: Solve for x
    x = 10,991,460,412.70/116,254.42
  6. Step 6: Final answer
    x = 94,546.60

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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.