Home / 117,091.60-175,637.14-90,476.29

Finding the Fourth Proportional to 117,091.60, 175,637.14 and 90,476.29

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Solution

The fourth proportional to 117,091.60, 175,637.14 and 90,476.29 is: 135,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,091.60 : 175,637.14 = 90,476.29 : x
  2. Step 2: Convert to fraction form
    117,091.60/175,637.14 = 90,476.29/x
  3. Step 3: Cross multiply
    117,091.60x = 175,637.14 × 90,476.29
  4. Step 4: Simplify right side
    117,091.60x = 15,890,996,813.41
  5. Step 5: Solve for x
    x = 15,890,996,813.41/117,091.60
  6. Step 6: Final answer
    x = 135,714.23

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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.