Home / 116,836.56-175,088.16-90,081.36

Finding the Fourth Proportional to 116,836.56, 175,088.16 and 90,081.36

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Solution

The fourth proportional to 116,836.56, 175,088.16 and 90,081.36 is: 134,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,836.56 : 175,088.16 = 90,081.36 : x
  2. Step 2: Convert to fraction form
    116,836.56/175,088.16 = 90,081.36/x
  3. Step 3: Cross multiply
    116,836.56x = 175,088.16 × 90,081.36
  4. Step 4: Simplify right side
    116,836.56x = 15,772,179,572.70
  5. Step 5: Solve for x
    x = 15,772,179,572.70/116,836.56
  6. Step 6: Final answer
    x = 134,993.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.