Home / 127,218.49-190,798.58-75,941.64

Finding the Fourth Proportional to 127,218.49, 190,798.58 and 75,941.64

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Solution

The fourth proportional to 127,218.49, 190,798.58 and 75,941.64 is: 113,895.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,218.49 : 190,798.58 = 75,941.64 : x
  2. Step 2: Convert to fraction form
    127,218.49/190,798.58 = 75,941.64/x
  3. Step 3: Cross multiply
    127,218.49x = 190,798.58 × 75,941.64
  4. Step 4: Simplify right side
    127,218.49x = 14,489,556,695.16
  5. Step 5: Solve for x
    x = 14,489,556,695.16/127,218.49
  6. Step 6: Final answer
    x = 113,895.06

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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.