Home / 243,529.40-336,069.47-136,099.37

Finding the Fourth Proportional to 243,529.40, 336,069.47 and 136,099.37

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Solution

The fourth proportional to 243,529.40, 336,069.47 and 136,099.37 is: 187,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,529.40 : 336,069.47 = 136,099.37 : x
  2. Step 2: Convert to fraction form
    243,529.40/336,069.47 = 136,099.37/x
  3. Step 3: Cross multiply
    243,529.40x = 336,069.47 × 136,099.37
  4. Step 4: Simplify right side
    243,529.40x = 45,738,844,323.66
  5. Step 5: Solve for x
    x = 45,738,844,323.66/243,529.40
  6. Step 6: Final answer
    x = 187,816.52

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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.