Home / 132,630.81-183,009.96-76,031.25

Finding the Fourth Proportional to 132,630.81, 183,009.96 and 76,031.25

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Solution

The fourth proportional to 132,630.81, 183,009.96 and 76,031.25 is: 104,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630.81 : 183,009.96 = 76,031.25 : x
  2. Step 2: Convert to fraction form
    132,630.81/183,009.96 = 76,031.25/x
  3. Step 3: Cross multiply
    132,630.81x = 183,009.96 × 76,031.25
  4. Step 4: Simplify right side
    132,630.81x = 13,914,476,021.25
  5. Step 5: Solve for x
    x = 13,914,476,021.25/132,630.81
  6. Step 6: Final answer
    x = 104,911.34

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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.