Home / 133,173.01-183,784.16-76,584.39

Finding the Fourth Proportional to 133,173.01, 183,784.16 and 76,584.39

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Solution

The fourth proportional to 133,173.01, 183,784.16 and 76,584.39 is: 105,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,173.01 : 183,784.16 = 76,584.39 : x
  2. Step 2: Convert to fraction form
    133,173.01/183,784.16 = 76,584.39/x
  3. Step 3: Cross multiply
    133,173.01x = 183,784.16 × 76,584.39
  4. Step 4: Simplify right side
    133,173.01x = 14,074,997,785.26
  5. Step 5: Solve for x
    x = 14,074,997,785.26/133,173.01
  6. Step 6: Final answer
    x = 105,689.57

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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.