Home / 133,141.52-183,899.76-96,786.20

Finding the Fourth Proportional to 133,141.52, 183,899.76 and 96,786.20

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Solution

The fourth proportional to 133,141.52, 183,899.76 and 96,786.20 is: 133,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,141.52 : 183,899.76 = 96,786.20 : x
  2. Step 2: Convert to fraction form
    133,141.52/183,899.76 = 96,786.20/x
  3. Step 3: Cross multiply
    133,141.52x = 183,899.76 × 96,786.20
  4. Step 4: Simplify right side
    133,141.52x = 17,798,958,951.31
  5. Step 5: Solve for x
    x = 17,798,958,951.31/133,141.52
  6. Step 6: Final answer
    x = 133,684.51

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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.