Home / 246,658.86-369,998.64-78,175.50

Finding the Fourth Proportional to 246,658.86, 369,998.64 and 78,175.50

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Solution

The fourth proportional to 246,658.86, 369,998.64 and 78,175.50 is: 117,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,658.86 : 369,998.64 = 78,175.50 : x
  2. Step 2: Convert to fraction form
    246,658.86/369,998.64 = 78,175.50/x
  3. Step 3: Cross multiply
    246,658.86x = 369,998.64 × 78,175.50
  4. Step 4: Simplify right side
    246,658.86x = 28,924,828,681.32
  5. Step 5: Solve for x
    x = 28,924,828,681.32/246,658.86
  6. Step 6: Final answer
    x = 117,266.53

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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.