Home / 133,102.14-183,683.16-79,418.58

Finding the Fourth Proportional to 133,102.14, 183,683.16 and 79,418.58

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Solution

The fourth proportional to 133,102.14, 183,683.16 and 79,418.58 is: 109,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,102.14 : 183,683.16 = 79,418.58 : x
  2. Step 2: Convert to fraction form
    133,102.14/183,683.16 = 79,418.58/x
  3. Step 3: Cross multiply
    133,102.14x = 183,683.16 × 79,418.58
  4. Step 4: Simplify right side
    133,102.14x = 14,587,855,737.11
  5. Step 5: Solve for x
    x = 14,587,855,737.11/133,102.14
  6. Step 6: Final answer
    x = 109,598.96

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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.