Home / 246,495.11-369,783.51-86,529.55

Finding the Fourth Proportional to 246,495.11, 369,783.51 and 86,529.55

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Solution

The fourth proportional to 246,495.11, 369,783.51 and 86,529.55 is: 129,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,495.11 : 369,783.51 = 86,529.55 : x
  2. Step 2: Convert to fraction form
    246,495.11/369,783.51 = 86,529.55/x
  3. Step 3: Cross multiply
    246,495.11x = 369,783.51 × 86,529.55
  4. Step 4: Simplify right side
    246,495.11x = 31,997,200,717.72
  5. Step 5: Solve for x
    x = 31,997,200,717.72/246,495.11
  6. Step 6: Final answer
    x = 129,808.66

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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.