Home / 115,636.14-159,532.88-72,597.33

Finding the Fourth Proportional to 115,636.14, 159,532.88 and 72,597.33

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Solution

The fourth proportional to 115,636.14, 159,532.88 and 72,597.33 is: 100,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,636.14 : 159,532.88 = 72,597.33 : x
  2. Step 2: Convert to fraction form
    115,636.14/159,532.88 = 72,597.33/x
  3. Step 3: Cross multiply
    115,636.14x = 159,532.88 × 72,597.33
  4. Step 4: Simplify right side
    115,636.14x = 11,581,660,772.22
  5. Step 5: Solve for x
    x = 11,581,660,772.22/115,636.14
  6. Step 6: Final answer
    x = 100,156.07

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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.