Home / 133,233.48-183,856.68-72,806.22

Finding the Fourth Proportional to 133,233.48, 183,856.68 and 72,806.22

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Solution

The fourth proportional to 133,233.48, 183,856.68 and 72,806.22 is: 100,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,233.48 : 183,856.68 = 72,806.22 : x
  2. Step 2: Convert to fraction form
    133,233.48/183,856.68 = 72,806.22/x
  3. Step 3: Cross multiply
    133,233.48x = 183,856.68 × 72,806.22
  4. Step 4: Simplify right side
    133,233.48x = 13,385,909,892.55
  5. Step 5: Solve for x
    x = 13,385,909,892.55/133,233.48
  6. Step 6: Final answer
    x = 100,469.57

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1.5x scale

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.