Home / 246,585.39-369,880.56-78,102.51

Finding the Fourth Proportional to 246,585.39, 369,880.56 and 78,102.51

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Solution

The fourth proportional to 246,585.39, 369,880.56 and 78,102.51 is: 117,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,585.39 : 369,880.56 = 78,102.51 : x
  2. Step 2: Convert to fraction form
    246,585.39/369,880.56 = 78,102.51/x
  3. Step 3: Cross multiply
    246,585.39x = 369,880.56 × 78,102.51
  4. Step 4: Simplify right side
    246,585.39x = 28,888,600,136.21
  5. Step 5: Solve for x
    x = 28,888,600,136.21/246,585.39
  6. Step 6: Final answer
    x = 117,154.55

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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.