Home / 127,330.58-190,877.16-43,031.80

Finding the Fourth Proportional to 127,330.58, 190,877.16 and 43,031.80

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Solution

The fourth proportional to 127,330.58, 190,877.16 and 43,031.80 is: 64,507.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,330.58 : 190,877.16 = 43,031.80 : x
  2. Step 2: Convert to fraction form
    127,330.58/190,877.16 = 43,031.80/x
  3. Step 3: Cross multiply
    127,330.58x = 190,877.16 × 43,031.80
  4. Step 4: Simplify right side
    127,330.58x = 8,213,788,173.65
  5. Step 5: Solve for x
    x = 8,213,788,173.65/127,330.58
  6. Step 6: Final answer
    x = 64,507.58

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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.