Home / 140,429.52-210,644.24-56,227.60

Finding the Fourth Proportional to 140,429.52, 210,644.24 and 56,227.60

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Solution

The fourth proportional to 140,429.52, 210,644.24 and 56,227.60 is: 84,341.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,429.52 : 210,644.24 = 56,227.60 : x
  2. Step 2: Convert to fraction form
    140,429.52/210,644.24 = 56,227.60/x
  3. Step 3: Cross multiply
    140,429.52x = 210,644.24 × 56,227.60
  4. Step 4: Simplify right side
    140,429.52x = 11,844,020,069.02
  5. Step 5: Solve for x
    x = 11,844,020,069.02/140,429.52
  6. Step 6: Final answer
    x = 84,341.38

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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.