Home / 133,105.68-183,684.44-72,676.13

Finding the Fourth Proportional to 133,105.68, 183,684.44 and 72,676.13

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Solution

The fourth proportional to 133,105.68, 183,684.44 and 72,676.13 is: 100,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105.68 : 183,684.44 = 72,676.13 : x
  2. Step 2: Convert to fraction form
    133,105.68/183,684.44 = 72,676.13/x
  3. Step 3: Cross multiply
    133,105.68x = 183,684.44 × 72,676.13
  4. Step 4: Simplify right side
    133,105.68x = 13,349,473,877.04
  5. Step 5: Solve for x
    x = 13,349,473,877.04/133,105.68
  6. Step 6: Final answer
    x = 100,292.30

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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.