Home / 133,320.48-183,985.16-79,595.46

Finding the Fourth Proportional to 133,320.48, 183,985.16 and 79,595.46

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Solution

The fourth proportional to 133,320.48, 183,985.16 and 79,595.46 is: 109,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,320.48 : 183,985.16 = 79,595.46 : x
  2. Step 2: Convert to fraction form
    133,320.48/183,985.16 = 79,595.46/x
  3. Step 3: Cross multiply
    133,320.48x = 183,985.16 × 79,595.46
  4. Step 4: Simplify right side
    133,320.48x = 14,644,383,045.40
  5. Step 5: Solve for x
    x = 14,644,383,045.40/133,320.48
  6. Step 6: Final answer
    x = 109,843.46

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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.