Home / 127,329.96-190,876.23-43,031.18

Finding the Fourth Proportional to 127,329.96, 190,876.23 and 43,031.18

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Solution

The fourth proportional to 127,329.96, 190,876.23 and 43,031.18 is: 64,506.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,329.96 : 190,876.23 = 43,031.18 : x
  2. Step 2: Convert to fraction form
    127,329.96/190,876.23 = 43,031.18/x
  3. Step 3: Cross multiply
    127,329.96x = 190,876.23 × 43,031.18
  4. Step 4: Simplify right side
    127,329.96x = 8,213,628,241.31
  5. Step 5: Solve for x
    x = 8,213,628,241.31/127,329.96
  6. Step 6: Final answer
    x = 64,506.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.