Home / 126,941.02-190,362.30-67,744.40

Finding the Fourth Proportional to 126,941.02, 190,362.30 and 67,744.40

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Solution

The fourth proportional to 126,941.02, 190,362.30 and 67,744.40 is: 101,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,941.02 : 190,362.30 = 67,744.40 : x
  2. Step 2: Convert to fraction form
    126,941.02/190,362.30 = 67,744.40/x
  3. Step 3: Cross multiply
    126,941.02x = 190,362.30 × 67,744.40
  4. Step 4: Simplify right side
    126,941.02x = 12,895,979,796.12
  5. Step 5: Solve for x
    x = 12,895,979,796.12/126,941.02
  6. Step 6: Final answer
    x = 101,590.33

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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.