Home / 114,712.65-158,239.31-72,197.37

Finding the Fourth Proportional to 114,712.65, 158,239.31 and 72,197.37

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Solution

The fourth proportional to 114,712.65, 158,239.31 and 72,197.37 is: 99,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,712.65 : 158,239.31 = 72,197.37 : x
  2. Step 2: Convert to fraction form
    114,712.65/158,239.31 = 72,197.37/x
  3. Step 3: Cross multiply
    114,712.65x = 158,239.31 × 72,197.37
  4. Step 4: Simplify right side
    114,712.65x = 11,424,461,651.63
  5. Step 5: Solve for x
    x = 11,424,461,651.63/114,712.65
  6. Step 6: Final answer
    x = 99,591.99

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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.