Home / 117,480.81-175,999.28-91,056.18

Finding the Fourth Proportional to 117,480.81, 175,999.28 and 91,056.18

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Solution

The fourth proportional to 117,480.81, 175,999.28 and 91,056.18 is: 136,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,480.81 : 175,999.28 = 91,056.18 : x
  2. Step 2: Convert to fraction form
    117,480.81/175,999.28 = 91,056.18/x
  3. Step 3: Cross multiply
    117,480.81x = 175,999.28 × 91,056.18
  4. Step 4: Simplify right side
    117,480.81x = 16,025,821,664.27
  5. Step 5: Solve for x
    x = 16,025,821,664.27/117,480.81
  6. Step 6: Final answer
    x = 136,412.25

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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.