Home / 133,224.64-183,972.78-85,561.02

Finding the Fourth Proportional to 133,224.64, 183,972.78 and 85,561.02

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Solution

The fourth proportional to 133,224.64, 183,972.78 and 85,561.02 is: 118,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,224.64 : 183,972.78 = 85,561.02 : x
  2. Step 2: Convert to fraction form
    133,224.64/183,972.78 = 85,561.02/x
  3. Step 3: Cross multiply
    133,224.64x = 183,972.78 × 85,561.02
  4. Step 4: Simplify right side
    133,224.64x = 15,740,898,709.04
  5. Step 5: Solve for x
    x = 15,740,898,709.04/133,224.64
  6. Step 6: Final answer
    x = 118,153.06

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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.