Home / 144,927.06-199,914.61-91,126.90

Finding the Fourth Proportional to 144,927.06, 199,914.61 and 91,126.90

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Solution

The fourth proportional to 144,927.06, 199,914.61 and 91,126.90 is: 125,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,927.06 : 199,914.61 = 91,126.90 : x
  2. Step 2: Convert to fraction form
    144,927.06/199,914.61 = 91,126.90/x
  3. Step 3: Cross multiply
    144,927.06x = 199,914.61 × 91,126.90
  4. Step 4: Simplify right side
    144,927.06x = 18,217,598,674.01
  5. Step 5: Solve for x
    x = 18,217,598,674.01/144,927.06
  6. Step 6: Final answer
    x = 125,701.84

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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.