Home / 133,320.35-183,984.98-79,595.35

Finding the Fourth Proportional to 133,320.35, 183,984.98 and 79,595.35

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Solution

The fourth proportional to 133,320.35, 183,984.98 and 79,595.35 is: 109,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,320.35 : 183,984.98 = 79,595.35 : x
  2. Step 2: Convert to fraction form
    133,320.35/183,984.98 = 79,595.35/x
  3. Step 3: Cross multiply
    133,320.35x = 183,984.98 × 79,595.35
  4. Step 4: Simplify right side
    133,320.35x = 14,644,348,877.84
  5. Step 5: Solve for x
    x = 14,644,348,877.84/133,320.35
  6. Step 6: Final answer
    x = 109,843.31

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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.