Home / 133,416.33-184,113.04-72,988.71

Finding the Fourth Proportional to 133,416.33, 184,113.04 and 72,988.71

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Solution

The fourth proportional to 133,416.33, 184,113.04 and 72,988.71 is: 100,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,416.33 : 184,113.04 = 72,988.71 : x
  2. Step 2: Convert to fraction form
    133,416.33/184,113.04 = 72,988.71/x
  3. Step 3: Cross multiply
    133,416.33x = 184,113.04 × 72,988.71
  4. Step 4: Simplify right side
    133,416.33x = 13,438,173,283.78
  5. Step 5: Solve for x
    x = 13,438,173,283.78/133,416.33
  6. Step 6: Final answer
    x = 100,723.60

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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.