Home / 116,194.80-160,342.56-68,437.20

Finding the Fourth Proportional to 116,194.80, 160,342.56 and 68,437.20

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Solution

The fourth proportional to 116,194.80, 160,342.56 and 68,437.20 is: 94,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,194.80 : 160,342.56 = 68,437.20 : x
  2. Step 2: Convert to fraction form
    116,194.80/160,342.56 = 68,437.20/x
  3. Step 3: Cross multiply
    116,194.80x = 160,342.56 × 68,437.20
  4. Step 4: Simplify right side
    116,194.80x = 10,973,395,847.23
  5. Step 5: Solve for x
    x = 10,973,395,847.23/116,194.80
  6. Step 6: Final answer
    x = 94,439.65

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1.5x scale

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.