Home / 163,153.80-225,150.84-91,532.28

Finding the Fourth Proportional to 163,153.80, 225,150.84 and 91,532.28

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Solution

The fourth proportional to 163,153.80, 225,150.84 and 91,532.28 is: 126,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,153.80 : 225,150.84 = 91,532.28 : x
  2. Step 2: Convert to fraction form
    163,153.80/225,150.84 = 91,532.28/x
  3. Step 3: Cross multiply
    163,153.80x = 225,150.84 × 91,532.28
  4. Step 4: Simplify right side
    163,153.80x = 20,608,569,729.12
  5. Step 5: Solve for x
    x = 20,608,569,729.12/163,153.80
  6. Step 6: Final answer
    x = 126,313.76

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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.