Home / 115,865.14-159,966.12-88,954.06

Finding the Fourth Proportional to 115,865.14, 159,966.12 and 88,954.06

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Solution

The fourth proportional to 115,865.14, 159,966.12 and 88,954.06 is: 122,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,865.14 : 159,966.12 = 88,954.06 : x
  2. Step 2: Convert to fraction form
    115,865.14/159,966.12 = 88,954.06/x
  3. Step 3: Cross multiply
    115,865.14x = 159,966.12 × 88,954.06
  4. Step 4: Simplify right side
    115,865.14x = 14,229,635,836.45
  5. Step 5: Solve for x
    x = 14,229,635,836.45/115,865.14
  6. Step 6: Final answer
    x = 122,812.05

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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.