Home / 115,981.14-160,051.26-68,237.58

Finding the Fourth Proportional to 115,981.14, 160,051.26 and 68,237.58

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Solution

The fourth proportional to 115,981.14, 160,051.26 and 68,237.58 is: 94,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,981.14 : 160,051.26 = 68,237.58 : x
  2. Step 2: Convert to fraction form
    115,981.14/160,051.26 = 68,237.58/x
  3. Step 3: Cross multiply
    115,981.14x = 160,051.26 × 68,237.58
  4. Step 4: Simplify right side
    115,981.14x = 10,921,510,658.35
  5. Step 5: Solve for x
    x = 10,921,510,658.35/115,981.14
  6. Step 6: Final answer
    x = 94,166.26

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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.