Home / 243,529.48-336,069.30-136,099.72

Finding the Fourth Proportional to 243,529.48, 336,069.30 and 136,099.72

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Solution

The fourth proportional to 243,529.48, 336,069.30 and 136,099.72 is: 187,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,529.48 : 336,069.30 = 136,099.72 : x
  2. Step 2: Convert to fraction form
    243,529.48/336,069.30 = 136,099.72/x
  3. Step 3: Cross multiply
    243,529.48x = 336,069.30 × 136,099.72
  4. Step 4: Simplify right side
    243,529.48x = 45,738,937,630.60
  5. Step 5: Solve for x
    x = 45,738,937,630.60/243,529.48
  6. Step 6: Final answer
    x = 187,816.84

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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.