Home / 130,274.33-179,822.90-76,575.27

Finding the Fourth Proportional to 130,274.33, 179,822.90 and 76,575.27

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Solution

The fourth proportional to 130,274.33, 179,822.90 and 76,575.27 is: 105,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,274.33 : 179,822.90 = 76,575.27 : x
  2. Step 2: Convert to fraction form
    130,274.33/179,822.90 = 76,575.27/x
  3. Step 3: Cross multiply
    130,274.33x = 179,822.90 × 76,575.27
  4. Step 4: Simplify right side
    130,274.33x = 13,769,987,985.46
  5. Step 5: Solve for x
    x = 13,769,987,985.46/130,274.33
  6. Step 6: Final answer
    x = 105,699.94

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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.